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EXERCISE1.Choose the best answer to complete these following sentences.1. Astronauts______in their spaceship, but they frequently work outside now.A. were used to stayB. used to stayC. were stayingD. hadused to stay2. People______that the earth is round before.A. were not used to believeB. used to believingC. would not use to believeD. did not use to believe3. Tuberculosis______incurable before.A. use to be thoughtB. used to be thoughtC. used to thinkD. use to think4. Formerly babies______of...
Đọc tiếp

E

XERCISE

1.

Choose the best answer to complete these following sentences

.

1. Astronauts

______

in their spaceship, but they frequently work outside now.

A. were used to stay

B. used to stay

C. were staying

D. had

used to stay

2. People

______

that the earth is round before.

A. were not used to believe

B. used to believing

C. would not use to believe

D. did not use to believe

3. Tuberculosis

______

incurable before.

A. use to be though

t

B. used to be thought

C. used to think

D. use to think

4. Formerly babies

______

of whooping cough.

A. have died

B. used to die

C. would die

D. both B and C

5. These city g

irls are used

______

in the field.

A. to work

B. used to lie

C. would like

D. to working

6. Newton

______

scientific books when a boy.

A. used to read

B. has read

C. had read

D. had been reading

7. I am

sorry I am not

______

fast.

A. used to drive

B. used to driving

C. use to drive

D. use to driving

8. Frank used to work in a small shop. He

______.

A. doesn't any more

B. still does

C. is now

D. had never done anything else

9. Roy Trenton u

sed to work in a small shop. He

______.

A. is driving it

B. doesn’t drive it any more

C. likes it

D. didn’t like it

10. Roy Trenton use to drive a taxi. This means he

______.

A. use to lie

B. used live

C. used to living

D.

used to live

11. I

______

in Jakarta. I've lived here all my life.

A. am used to living

B. used to living

C. use to live

D. am used to live

12. Jane

______

for the telephone company, but now she has a job at the post office.

A. used to working

B. used to work

C. is used to working

D. am used to work

13. This work doesn’t bother me. I

______

hard. I've worked hard all my life.

A. used to working

B. used to work

C. am used to working

D. am used to work

14. Dick

______

a moustache, but

he doesn't any more. He shaved it off because his wife didn't like it.

A. used to having

B. is used to having

C. was used to having

D. used to have

15. When I was a child, I

______

anyone 40 was old.

A. used to think

B. was used to thinki

ng

C. used to thinking

D. was used to think

EXERCISE

2

.

Fill in the blank with “use, used to, be used to, or be used for”

:

1. I often

______

this pen to write my lessons.

2. I

______

love Ann but now she gets on my nerves.

3. There

______

be a

tree in front of my house.

4. They

______

a

computer to do the most complicated calculations.

5. These bricks

______

Building a new s

chool

.

6. That knife

______

cut oranges.

7. American women

______

being independent.

8. Cheques and credit cards

______

storing

wealth.

9. It took me a long time to

______

wearing glasses.

10. Metal and paper

______

making money.

EXERCISE

3

.

Write a sentence for each of the following using used to or didn’t use to

.

1. When Barbara was

i

n

I

taly, she stayed with an Italian

family.

2. I quite like drinking coffee in the morning, although I wasn’t keen on it when I was younger

3. We seem to have lost interest in our work.

4. I don’t mind travelling by train now.

5. I went to the church when I was a child.

6. Since we’ve

lived in the countryside, we’ve been much happier.

7. Mr.

Michel grew tulips but he doesn’t any more.

1
27 tháng 3 2020

EX1 

1.A

2.d

3.C

4.B

5.A

6.A

7.B

8.A

9.B

10.D

11.A

12.B

13.C

14.D

15.A

EX2 

1.use 

1.used to

3. used to

4. use

5.are used to

6.is used for 

7.are used to

8.are used for

9.use 

10.is used for

EX3 

1,. When Barbara was in Italy she used to stay with an Italian family.

2.I quite drinking coffee in the morning, although I did not use to  keen on it when I was younger.

3. We  used to lost interest in our work.

4. I did not use  to  mind travelling by train .

5. I used  to go to the church when I was a child.

6.  we did not use to much happy   until we’ve lived in the countryside.

7. Mr. Michel used to grow tulips.

16 tháng 11 2022

ngay câu 1 đã sai 

 

Choose the best answer to complete these following sentences.1. Astronauts_____ in their spaceship, but they frequently work outside now.A. were used to stayB. used to stayC. were stayingD. had used to stay2. People _____ that the earth is round before.A. were not used to believeB. used to believingC. would not use to believeD. did not use to believe3. Tuberculosis_____ incurable before.A. use to be thoughtB. used to be thoughtC. used to thinkD. use to think4. Formerly babies_____ of whooping...
Đọc tiếp

Choose the best answer to complete these following sentences.

1. Astronauts_____ in their spaceship, but they frequently work outside now.

A. were used to stay

B. used to stay

C. were staying

D. had used to stay

2. People _____ that the earth is round before.

A. were not used to believe

B. used to believing

C. would not use to believe

D. did not use to believe

3. Tuberculosis_____ incurable before.

A. use to be thought

B. used to be thought

C. used to think

D. use to think

4. Formerly babies_____ of whooping cough.

A. have died

B. used to die

C. would die

D. both B and C

5. These city girls are used_____ in the field.

A. to work

B. used to lie

C. would like

D. to working

6. Newton_____ scientific books when a boy.

A. used to read

B. has read

C. had read

D. had been reading

7. I am sorry I am not_____ fast.

A. used to drive

B. used to driving

C. use to drive

D. use to driving

8. Frank used to work in a small shop. He_____

A. doesn't any more

B. still does

C. is now

D. had never done anything else

2
18 tháng 1 2022

1. Astronauts_____ in their spaceship, but they frequently work outside now.

A. were used to stay

B. used to stay

C. were staying

D. had used to stay

2. People _____ that the earth is round before.

A. were not used to believe

B. used to believing

C. would not use to believe

D. did not use to believe

3. Tuberculosis_____ incurable before.

A. use to be thought

B. used to be thought

C. used to think

D. use to think

4. Formerly babies_____ of whooping cough.

A. have died

B. used to die

C. would die

D. both B and C

5. These city girls are used_____ in the field.

A. to work

B. used to lie

C. would like

D. to working

6. Newton_____ scientific books when a boy.

A. used to read

B. has read

C. had read

D. had been reading

7. I am sorry I am not_____ fast.

A. used to drive

B. used to driving

C. use to drive

D. use to driving

8. Frank used to work in a small shop. He_____

A. doesn't any more

B. still does

C. is now

D. had never done anything else

18 tháng 1 2022

Choose the best answer to complete these following sentences.

1. Astronauts_____ in their spaceship, but they frequently work outside now.

A. were used to stay

B. used to stay

C. were staying

D. had used to stay

2. People _____ that the earth is round before.

A. were not used to believe

B. used to believing

C. would not use to believe

D. did not use to believe

3. Tuberculosis_____ incurable before.

A. use to be thought

B. used to be thought

C. used to think

D. use to think

4. Formerly babies_____ of whooping cough.

A. have died

B. used to die

C. would die

D. both B and C

5. These city girls are used_____ in the field.

A. to work

B. used to lie

C. would like

D. to working

6. Newton_____ scientific books when a boy.

A. used to read

B. has read

C. had read

D. had been reading

7. I am sorry I am not_____ fast.

A. used to drive

B. used to driving

C. use to drive

D. use to driving

8. Frank used to work in a small shop. He_____

A. doesn't any more

B. still does

C. is now

D. had never done anything else

BÀI 1. Choose the best answer to complete these following sentences.(2)1. Astronauts… in their spaceship, but they frequently work outside now.A. were used to stay                          B. used to stayC. were staying                                 D. had used to stay2. People _____ that the earth is round before.A. were not used to believe                B. used to believingC. would not use to believe                D. did not use to believe3. Tuberculosis_____ incurable before.A. use to be...
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BÀI 1. Choose the best answer to complete these following sentences.(2)

1. Astronauts… in their spaceship, but they frequently work outside now.

A. were used to stay                          B. used to stay
C. were staying                                 D. had used to stay

2. People _____ that the earth is round before.

A. were not used to believe                B. used to believing
C. would not use to believe                D. did not use to believe

3. Tuberculosis_____ incurable before.

A. use to be thought                          B. used to be thought
C. used to think                                D. use to think

4. Formerly babies_____ of whooping cough.

A. have died        B. used to die         C. would die      D. both B and C

5. These city girls are used_____ in the field.

A. to work           B. used to lie          C. would like      D. to working

6. Newton_____ scientific books when he was a boy.

A. used to read    B. has read            C. had read        D. had been reading

7. I am sorry I am not_____ fast.

A. used to drive    B. used to driving   C. use to drive     D. use to driving

8. Frank used to work in a small shop. He_____

A. doesn't any more                          B. still does
C. is now                                          D. had never done anything else

9. Roy Trenton used to drive to work in a small shop. He _____

A. is driving it                                    B. doesn’t drive it any more
C. likes it                                          D. didn’t like it

10. Roy Trenton used to drive a taxi. This means he_____

A. use to drive      B. used drive     C. used to driving    D. used to drive

11. I_____ in Jakarta. I've lived here all my life.

A. am used to living        B. used to living     C. use to live              D. am used to live

12. Jane_____ for the telephone company, but now she has a job at the post office.

A. used to working                            B. used to work
C. is used to working                        D. am used to work

13. This work doesn’t bother me. I _____ hard. I've worked hard all my life.

A. used to working                           B. used to work
C. am used to working                     D. am used to work

14. Dick_____ a moustache, but he doesn't any more. He shaved it off because his wife didn't like it.

A. used to having                             B. is used to having
C. was used to having                      D. used to have

15. When I was a child, I _____ anyone 40 was old.

A. used to think                               B. was used to thinking
C. used to thinking                           D. was used to think

1
21 tháng 2 2022

1. Astronauts… in their spaceship, but they frequently work outside now.
A. were used to stay               B. used to stay
C. were staying                       D. had used to stay
2. People _____ that the earth is round before.
A. were not used to believe                B. used to believing
C. would not use to believe                D. did not use to believe
3. Tuberculosis_____ incurable before.
A. use to be thought    B. used to be thought              C. used to think           D. use to think
4. Formerly babies_____ of whooping cough.
A. have died                B. used to die                          C. would die               D. both B and C
5. These city girls are used_____ in the field.
A. to work                   B. used to lie                           C. would like              D. to working
6. Newton_____ scientific books when a boy.
A. used to read            B. has read                              C. had read                  D. had been reading
7. I am sorry I am not_____ fast.
A. used to drive          B. used to driving                   C. use to drive             D. use to driving
8. Frank used to work in a small shop. He_____
A. doesn’t any more   B. still does
C. is now                     D. had never done anything else
9. Roy Trenton used to work in a small shop. He _____
A. is driving it             B. doesn’t drive it any more
C. likes it                     D. didn’t like it
10. Roy Trenton use to drive a taxi. This means he_____
A. use to lie                 B. used live                 C. used to living                      D. used to live
11. I_____ in Jakarta. I’ve lived here all my life.
A. am used to living   B. used to living         C. use to live                           D. am used to live
12. Jane_____ for the telephone company, but now she has a job at the post office.
A. used to working     B. used to work           C. is used to working              D. am used to work
13. This work doesn’t bother me. I _____ hard. I’ve worked hard all my life.
A. used to working     B. used to work           C. am used to working            D. am used to work
14. Dick_____ a moustache, but he doesn’t any more. He shaved it off because his wife didn’t like it.
A. used to having        B. is used to having    C. was used to having             D. used to have
15. When I was a child, I _____ anyone 40 was old.
A. used to think          B. was used to thinking          C. used to thinking      D. was used to think

XVIII. Choose the best answer to complete these following sentences.1. Astronauts… in their spaceship, but they frequently work outside now.A. were used to stay               B. used to stayC. were staying                       D. had used to stay2. People _____ that the earth is round before.A. were not used to believe                B. used to believingC. would not use to believe                D. did not use to believe3. Tuberculosis_____ incurable before.A. use to be thought    B. used to...
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XVIII. Choose the best answer to complete these following sentences.

1. Astronauts… in their spaceship, but they frequently work outside now.
A. were used to stay               B. used to stay
C. were staying                       D. had used to stay
2. People _____ that the earth is round before.
A. were not used to believe                B. used to believing
C. would not use to believe                D. did not use to believe
3. Tuberculosis_____ incurable before.
A. use to be thought    B. used to be thought              C. used to think           D. use to think
4. Formerly babies_____ of whooping cough.
A. have died                B. used to die                          C. would die               D. both B and C
5. These city girls are used_____ in the field.
A. to work                   B. used to lie                           C. would like              D. to working
6. Newton_____ scientific books when a boy.
A. used to read            B. has read                              C. had read                  D. had been reading
7. I am sorry I am not_____ fast.
A. used to drive          B. used to driving                   C. use to drive             D. use to driving
8. Frank used to work in a small shop. He_____
A. doesn’t any more   B. still does
C. is now                     D. had never done anything else
9. Roy Trenton used to work in a small shop. He _____
A. is driving it             B. doesn’t drive it any more
C. likes it                     D. didn’t like it
10. Roy Trenton use to drive a taxi. This means he_____
A. use to lie                 B. used live                 C. used to living                      D. used to live
11. I_____ in Jakarta. I’ve lived here all my life.
A. am used to living   B. used to living         C. use to live                           D. am used to live
12. Jane_____ for the telephone company, but now she has a job at the post office.
A. used to working     B. used to work           C. is used to working              D. am used to work
13. This work doesn’t bother me. I _____ hard. I’ve worked hard all my life.
A. used to working     B. used to work           C. am used to working            D. am used to work
14. Dick_____ a moustache, but he doesn’t any more. He shaved it off because his wife didn’t like it.
A. used to having        B. is used to having    C. was used to having             D. used to have
15. When I was a child, I _____ anyone 40 was old.
A. used to think          B. was used to thinking          C. used to thinking      D. was used to think

2
9 tháng 12 2021

1. Astronauts… in their spaceship, but they frequently work outside now.
A. were used to stay               B. used to stay
C. were staying                       D. had used to stay
2. People _____ that the earth is round before.
A. were not used to believe                B. used to believing
C. would not use to believe                D. did not use to believe
3. Tuberculosis_____ incurable before.
A. use to be thought    B. used to be thought              C. used to think           D. use to think
4. Formerly babies_____ of whooping cough.
A. have died                B. used to die                          C. would die               D. both B and C
5. These city girls are used_____ in the field.
A. to work                   B. used to lie                           C. would like              D. to working
6. Newton_____ scientific books when a boy.
A. used to read            B. has read                              C. had read                  D. had been reading
7. I am sorry I am not_____ fast.
A. used to drive          B. used to driving                   C. use to drive             D. use to driving
8. Frank used to work in a small shop. He_____
A. doesn’t any more   B. still does
C. is now                     D. had never done anything else
9. Roy Trenton used to work in a small shop. He _____
A. is driving it             B. doesn’t drive it any more
C. likes it                     D. didn’t like it
10. Roy Trenton use to drive a taxi. This means he_____
A. use to lie                 B. used live                 C. used to living                      D. used to live
11. I_____ in Jakarta. I’ve lived here all my life.
A. am used to living   B. used to living         C. use to live                           D. am used to live
12. Jane_____ for the telephone company, but now she has a job at the post office.
A. used to working     B. used to work           C. is used to working              D. am used to work
13. This work doesn’t bother me. I _____ hard. I’ve worked hard all my life.
A. used to working     B. used to work           C. am used to working            D. am used to work
14. Dick_____ a moustache, but he doesn’t any more. He shaved it off because his wife didn’t like it.
A. used to having        B. is used to having    C. was used to having             D. used to have
15. When I was a child, I _____ anyone 40 was old.
A. used to think          B. was used to thinking          C. used to thinking      D. was used to think

9 tháng 12 2021

1. Astronauts… in their spaceship, but they frequently work outside now.
A. were used to stay               B. used to stay
C. were staying                       D. had used to stay
2. People _____ that the earth is round before.
A. were not used to believe                B. used to believing
C. would not use to believe                D. did not use to believe
3. Tuberculosis_____ incurable before.
A. use to be thought    B. used to be thought              C. used to think           D. use to think
4. Formerly babies_____ of whooping cough.
A. have died                B. used to die                          C. would die               D. both B and C
5. These city girls are used_____ in the field.
A. to work                   B. used to lie                           C. would like              D. to working
6. Newton_____ scientific books when a boy.
A. used to read            B. has read                              C. had read                  D. had been reading
7. I am sorry I am not_____ fast.
A. used to drive          B. used to driving                   C. use to drive             D. use to driving
8. Frank used to work in a small shop. He_____
A. doesn’t any more   B. still does
C. is now                     D. had never done anything else
9. Roy Trenton used to work in a small shop. He _____
A. is driving it             B. doesn’t drive it any more
C. likes it                     D. didn’t like it
10. Roy Trenton use to drive a taxi. This means he_____ ??
A. use to lie                 B. used live                 C. used to living                      D. used to live
11. I_____ in Jakarta. I’ve lived here all my life.
A. am used to living   B. used to living         C. use to live                           D. am used to live
12. Jane_____ for the telephone company, but now she has a job at the post office.
A. used to working     B. used to work           C. is used to working              D. am used to work
13. This work doesn’t bother me. I _____ hard. I’ve worked hard all my life.
A. used to working     B. used to work           C. am used to working            D. am used to work
14. Dick_____ a moustache, but he doesn’t any more. He shaved it off because his wife didn’t like it.
A. used to having        B. is used to having    C. was used to having             D. used to have
15. When I was a child, I _____ anyone 40 was old.
A. used to think          B. was used to thinking          C. used to thinking      D. was used to think

Exercise 10: Choose the best answer to complete these following sentences.1. Astronauts ................. in their spaceship, but they frequently work outside now.A. were used to stay B. used to stayC. were staying D. had used to stay2. People ................. that the earth is round before.A. were not used to believe B. used to believingC. would not use to believe D. did not use to believe3. Tuberculosis ................. incurable before.A. use to be thought B. used to be thoughtC. used to...
Đọc tiếp

Exercise 10: Choose the best answer to complete these following sentences.

1. Astronauts ................. in their spaceship, but they frequently work outside now.

A. were used to stay B. used to stay

C. were staying D. had used to stay

2. People ................. that the earth is round before.

A. were not used to believe B. used to believing

C. would not use to believe D. did not use to believe

3. Tuberculosis ................. incurable before.

A. use to be thought B. used to be thought

C. used to think D. use to think

4. Formerly babies ................. of whooping cough.

A. have died B. used to die

C. would die D. both B and C

5. These city girls are used ................. in the field.

A. to work B. used to lie

C. would like D. to working

6. Newton ................. scientific books when being a boy.

A. used to read B. has read

C. had read D. bad been reading

7. I am sorry I am not ................. fast.

A. used to drive B. used to driving

C. use to drive D. use to driving

8. Fr

1
6 tháng 1 2022

1. Astronauts… in their spaceship, but they frequently work outside now.
A. were used to stay               B. used to stay
C. were staying                       D. had used to stay
2. People _____ that the earth is round before.
A. were not used to believe                B. used to believing
C. would not use to believe                D. did not use to believe
3. Tuberculosis_____ incurable before.
A. use to be thought    B. used to be thought              C. used to think           D. use to think
4. Formerly babies_____ of whooping cough.
A. have died                B. used to die                          C. would die               D. both B and C
5. These city girls are used_____ in the field.
A. to work                   B. used to lie                           C. would like              D. to working
6. Newton_____ scientific books when a boy.
A. used to read            B. has read                              C. had read                  D. had been reading
7. I am sorry I am not_____ fast.
A. used to drive          B. used to driving                   C. use to drive             D. use to driving

Choose the best option to complete the sentences.in their spaceship, but they frequently work outside now.1. AstronautsA. were used to stayB. used to stayC. were stayingD. had used to stay2. Peoplethat the earth is round before.A. were not used to believeC. would not use to believeB. used to believingD. did not use to believe3. TuberculosisA. use to be thoughtincurable before.B. used to be thinkC. used to thinkD. use to think4. These city girls are usedin the field.A. to workB. used to likeC....
Đọc tiếp

Choose the best option to complete the sentences.
in their spaceship, but they frequently work outside now.
1. Astronauts
A. were used to stay
B. used to stay
C. were staying
D. had used to stay
2. People
that the earth is round before.
A. were not used to believe
C. would not use to believe
B. used to believing
D. did not use to believe
3. Tuberculosis
A. use to be thought
incurable before.
B. used to be think
C. used to think
D. use to think
4. These city girls are used
in the field.
A. to work
B. used to like
C. would like
D. to working
5. Newton
scientific books when a boy.
A. used to read
B. has read
C. had read
D. had been reading
6. I am sorry I am not
fast.
A. used to drive
B. used to driving
C. use to drive
D. use to driving
7. Frank used to work in a small shop. He
A. doesn't any more
B. still does
C. is now
D. had never done anything else
in Jakarta. I've lived here all my life.
A. am used to living
B. used to living
C. use to live
D. am used to live
for the telephone company, but now she has a job at the post office.
B. used to work
9. Jane
A. used to working
C. is used to working
D. am used to work
10. This work doesn't bother me. I
hard. I've worked hard all my life.
A. used to working
C. am used to working
B. used to work
D. am used to work

 

1
14 tháng 6 2021

in their spaceship, but they frequently work outside now.
1. Astronauts
A. were used to stay
B. used to stay
C. were staying
D. had used to stay
2. People
that the earth is round before.
A. were not used to believe
C. would not use to believe
B. used to believing
D. did not use to believe
3. Tuberculosis
A. use to be thought
incurable before.
B. used to be think
C. used to think
D. use to think
4. These city girls are used
in the field.
A. to work
B. used to like
C. would like
D. to working
5. Newton
scientific books when a boy.
A. used to read
B. has read
C. had read
D. had been reading
6. I am sorry I am not
fast.
A. used to drive
B. used to driving
C. use to drive
D. use to driving
7. Frank used to work in a small shop. He
A. doesn't any more
B. still does
C. is now
D. had never done anything else
in Jakarta. I've lived here all my life.
A. am used to living
B. used to living
C. use to live
D. am used to live
for the telephone company, but now she has a job at the post office.
B. used to work
9. Jane
A. used to working
C. is used to working
D. am used to work
10. This work doesn't bother me. I
hard. I've worked hard all my life.
A. used to working
C. am used to working
B. used to work
D. am used to work

 

14 tháng 6 2021

cái đề ảo thật đấy

6 tháng 12 2021

b

6 tháng 12 2021

B

16 tháng 2 2018

Đáp án: B

Giải thích: Used to + V (đã từng làm gì như thói quen trong quá khứ nhưng bây giờ không thế nữa)

Dịch: Các phi hành gia đã thường ở trong tàu vũ trụ của họ, nhưng họ thường xuyên làm việc bên ngoài bây giờ.

13 tháng 2 2017

Đáp án: B

     

Used to + V (đã từng làm gì như thói quen trong quá khứ nhưng bây giờ không thế nữa)

Dịch: Các phi hành gia đã thường ở trong tàu vũ trụ của họ, nhưng họ thường xuyên làm việc bên ngoài bây giờ.

16. Astronauts_______________in their spaceship, but they frequently work outside now.A. were used to stay       B. used to stay            C. use to stay                D. used to staying17. People __________________that the earth is round before.A. were not used to believe        B. used to believing      C. use to believe        D. did not use to believe18. Mr Kim________________________a secret police before.A. use to be thought         B. used to be thought        C. used to think...
Đọc tiếp

16. Astronauts_______________in their spaceship, but they frequently work outside now.

A. were used to stay       B. used to stay            C. use to stay                D. used to staying

17. People __________________that the earth is round before.

A. were not used to believe        B. used to believing      C. use to believe        D. did not use to believe

18. Mr Kim________________________a secret police before.

A. use to be thought         B. used to be thought        C. used to think           D. use to think

19. A lot of children_________________from dead in the second war.

A. get used saving         B. used to save        C. used to be saved       D. used to saving

20. These girls are used______________________in the field.

A. to work                     B. to working                C. worked                              D.working

1
19 tháng 9 2021

16. Astronauts_______________in their spaceship, but they frequently work outside now.

A. were used to stay       B. used to stay            C. use to stay                D. used to staying

17. People __________________that the earth is round before.

A. were not used to believe        B. used to believing      C. use to believe        D. did not use to believe

18. Mr Kim________________________a secret police before.

A. use to be thought         B. used to be thought        C. used to think           D. use to think

19. A lot of children_________________from dead in the second war.

A. get used saving         B. used to save        C. used to be saved       D. used to saving

20. These girls are used______________________in the field.

A. to work                     B. to working                C. worked                              D.working

4 tháng 9 2017

2. Choose the correct answer:

1. Astronauts...in their spaceship, but they frequently work outside now.

A. were used to stay B. used to stay C. were staying D. had used to stay