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23 tháng 7 2021

1.was  2.stopped  3.wrote  4.don't pick   5.went   6.were  7. did...attend  8.lived  9.went  10.was

I. Give the correct form of “to be” in the past simple tense.1.      How old (be)……………..…….your mother last year ? – She (be)…………………..50 years old.2.      My book (be) ……………….…on the table last night . It (not be)………………… new.3.      What (be)…………………..…that yesterday ? – It (be)………………..a doll.4.      What (be)………………………they 2 days ago ? – They (be)……………………..my cousins.5.      Your brother (be)………………. 18 years old last week ? – Yes, he (be)……………6.      You and I (be)…………..…….doctors in the past....
Đọc tiếp

I. Give the correct form of “to be” in the past simple tense.

1.      How old (be)……………..…….your mother last year ? – She (be)…………………..50 years old.

2.      My book (be) ……………….…on the table last night . It (not be)………………… new.

3.      What (be)…………………..…that yesterday ? – It (be)………………..a doll.

4.      What (be)………………………they 2 days ago ? – They (be)……………………..my cousins.

5.      Your brother (be)………………. 18 years old last week ? – Yes, he (be)……………

6.      You and I (be)…………..…….doctors in the past. We (be)……………………..friends, too.

7.      He (be)…………………...your teacher in 2020?

    - No, he (not be) …….………, he (be)…………. my sister.

8.      Nam (be)………………..…..a student in 1999 . He (be)……………………in class 6A.

9.      Hoa and Nga (be)………………in the classroomlast years . They (not be)……………..my classmates.

10.  My sister (be)……………..…….a nurse in 2015. She (be)………………..twenty- two years old.

11.  Miss Lan’s students (not be) ……………………fat in the past.

12.  Lan’s brothers (not be) ……………..………doctors in 2008.

13.  Mai and Hoa (not be)……………… Mr Tan’s students  last year .

14.  I(be)  …….. a student in 2012 . My brother and sister (be) ………….. teachers. My brother (not be)  ………………. twenty-five years old. My sister (be)  ………..…….. twenty-four years old. There (be) ……….……… five people in my family.

15.  They (be)  ……………students 3years ago . They ( not be)  ……………my friend.

16.  We (not be) ………… in the schoolyard 3 days ago.

II: Chuyển các câu sau sang dạng quá khứ

1. This is the notebook of Mary.  ->………………………………………

2. The tool of the mason is heavy. .  ->………………………………………

3. They are  her children. .  ->………………………………………

4. The coat of the boy is torn. .  ->………………………………………

5. Is Mr. Van the friend of Mr. Dong ?  ->………………………………………

6. The windows of the house are green. .  ->………………………………………

7. Are the caps  on the shelves ? ->………………………………………

8. The desks of the pupils are always clean. .  ->………………………………………

9. He isn’t John Keats. .  ->………………………………………

10. Their house is in the country. .  ->………………………………………

 

III. chuyển các câu sau sang phủ định và nghi vấn

Eg:  She was eleven years old.           Ò   She wasn’t  eleven years old.

                                                            Ò   Was she eleven years old ?              

1.      I was  a teacher.                      Ò ……………………………………….

                                                Ò ……………………………………….

2.      Julia was tall and fat.              Ò ……………………………………….

                                                Ò ……………………………………….

3.      John was tall.                          Ò ……………………………………….

                                                 Ò ……………………………………….

4.      We  were my teacher.             Ò ……………………………………….

                                                  Ò ……………………………………….

5.      They were a pupil.                  Ò ……………………………………….

                                                  Ò ……………………………………….

6.      Thatwas a book                       Ò ……………………………………….

                                                Ò ……………………………………….

7.      The pupils.  are good              Ò ……………………………………….

                                                  Ò ……………………………………….

8.      There were a lot of  flowers         Ò ……………………………………….

                                                      Ò ……………………………………….

1
14 tháng 8 2021

I. Give the correct form of “to be” in the past simple tense.

1.      How old (be)…………was…..…….your mother last year ? – She (be)…………was………..50 years old.

2.      My book (be) ………was……….…on the table last night . It (not be)…………wasn't……… new.

3.      What (be)…………was………..…that yesterday ? – It (be)………was………..a doll.

4.      What (be)…………were……………they 2 days ago ? – They (be)…………were…………..my cousins.

5.      Your brother (be)………was………. 18 years old last week ? – Yes, he (be)……was………

6.      You and I (be)………were…..…….doctors in the past. We (be)……………were………..friends, too.

7.      Was He (be)…………………...your teacher in 2020?

    - No, he (not be) …….wasn't………, he (be)……was……. my sister.

8.      Nam (be)………was………..…..a student in 1999 . He (be)…………was…………in class 6A.

9.      Hoa and Nga (be)……were…………in the classroomlast years . They (not be)………weren't……..my classmates.

10.  My sister (be)………was……..…….a nurse in 2015. She (be)…………was……..twenty- two years old.

11.  Miss Lan’s students (not be) ………weren't……………fat in the past.

12.  Lan’s brothers (not be) …………weren't…..………doctors in 2008.

13.  Mai and Hoa (not be)………weren't……… Mr Tan’s students  last year .

14.  I(be)  …was….. a student in 2012 My brother and sister (be) ……were…….. teachersMy brother (not be)  ……was…………. twenty-five years oldMy sister (be)  ……was…..…….. twenty-four years oldThere (be) ……….were……… five people in my family.

15.  They (be)  ………were……students 3years ago They ( not be)  ……weren't………my friend.

16.  We (not be) ……weren't…… in the schoolyard 3 days ago.

II: Chuyển các câu sau sang dạng quá khứ

1. This is the notebook of Mary.  -> This was the notebook of Mary.

2. The tool of the mason is heavy. .  -> The tool of the mason was heavy.

3. They are  her children. .  -> They were her children.

4. The coat of the boy is torn. .  -> The coat of the boy was torn.

5. Is Mr. Van the friend of Mr. Dong ?  -> Was Mr. Van the friend of Mr. Dong ?

6. The windows of the house are green. .  -> The windows of the house were green.

7. Are the caps  on the shelves ? -> Were the caps  on the shelves ?

8. The desks of the pupils are always clean. .  -> The desks of the pupils were always clean.

9. He isn’t John Keats. .  -> He wasn’t John Keats.

10. Their house is in the country. .  -> Their house was in the country.

 

III. chuyển các câu sau sang phủ định và nghi vấn

Eg:  She was eleven years old.           Ò   She wasn’t  eleven years old.

                                                            Ò   Was she eleven years old ?              

1.      I was  a teacher.                      Ò I wasn't a teacher.

                                                Ò Was I a teacher?

2.      Julia was tall and fat.              Ò Julia wasn't tall and fat.

                                                Ò Was Julia tall and fat?

3.      John was tall.                          Ò John wasn't tall.

                                                 Ò Was John tall?

4.      We  were my teacher.             Ò We weren't my teacher.

                                                  Ò Were we my teacher?

5.      They were a pupil.                  Ò They weren't a pupil.

                                                  Ò Were they a pupil?

6.      Thatwas a book                       Ò That wasn't a book.

                                                Ò Was that a book?

7.      The pupils.  are good              Ò The pupils aren't good.

                                                  Ò Are the pupils good?

8.      There were a lot of  flowers         Ò There weren't a lot of  flowers

                                                      Ò Were there a lot of  flowers?

I. Give the correct form of “to be” in the past simple tense.1.      How old (be)……………..…….your mother last year ? – She (be)…………………..50 years old.2.      My book (be) ……………….…on the table last night . It (not be)………………… new.3.      What (be)…………………..…that yesterday ? – It (be)………………..a doll.4.      What (be)………………………they 2 days ago ? – They (be)……………………..my cousins.5.      Your brother (be)………………. 18 years old last week ? – Yes, he (be)……………6.      You and I (be)…………..…….doctors in the past....
Đọc tiếp

I. Give the correct form of “to be” in the past simple tense.

1.      How old (be)……………..…….your mother last year ? – She (be)…………………..50 years old.

2.      My book (be) ……………….…on the table last night . It (not be)………………… new.

3.      What (be)…………………..…that yesterday ? – It (be)………………..a doll.

4.      What (be)………………………they 2 days ago ? – They (be)……………………..my cousins.

5.      Your brother (be)………………. 18 years old last week ? – Yes, he (be)……………

6.      You and I (be)…………..…….doctors in the past. We (be)……………………..friends, too.

7.      He (be)…………………...your teacher in 2020?

    - No, he (not be) …….………, he (be)…………. my sister.

8.      Nam (be)………………..…..a student in 1999 . He (be)……………………in class 6A.

9.      Hoa and Nga (be)………………in the classroomlast years . They (not be)……………..my classmates.

10.  My sister (be)……………..…….a nurse in 2015. She (be)………………..twenty- two years old.

11.  Miss Lan’s students (not be) ……………………fat in the past.

12.  Lan’s brothers (not be) ……………..………doctors in 2008.

13.  Mai and Hoa (not be)……………… Mr Tan’s students  last year .

14.  I(be)  …….. a student in 2012 . My brother and sister (be) ………….. teachers. My brother (not be)  ………………. twenty-five years old. My sister (be)  ………..…….. twenty-four years old. There (be) ……….……… five people in my family.

15.  They (be)  ……………students 3years ago . They ( not be)  ……………my friend.

16.  We (not be) ………… in the schoolyard 3 days ago.

II: Chuyển các câu sau sang dạng quá khứ

1. This is the notebook of Mary.  ->………………………………………

2. The tool of the mason is heavy. .  ->………………………………………

3. They are  her children. .  ->………………………………………

4. The coat of the boy is torn. .  ->………………………………………

5. Is Mr. Van the friend of Mr. Dong ?  ->………………………………………

6. The windows of the house are green. .  ->………………………………………

7. Are the caps  on the shelves ? ->………………………………………

8. The desks of the pupils are always clean. .  ->………………………………………

9. He isn’t John Keats. .  ->………………………………………

10. Their house is in the country. .  ->………………………………………

 

III. chuyển các câu sau sang phủ định và nghi vấn

Eg:  She was eleven years old.           Ò   She wasn’t  eleven years old.

                                                            Ò   Was she eleven years old ?              

1.      I was  a teacher.                      Ò ……………………………………….

                                                Ò ……………………………………….

2.      Julia was tall and fat.              Ò ……………………………………….

                                                Ò ……………………………………….

3.      John was tall.                          Ò ……………………………………….

                                                 Ò ……………………………………….

4.      We  were my teacher.             Ò ……………………………………….

                                                  Ò ……………………………………….

5.      They were a pupil.                  Ò ……………………………………….

                                                  Ò ……………………………………….

6.      Thatwas a book                       Ò ……………………………………….

                                                Ò ……………………………………….

7.      The pupils.  are good              Ò ……………………………………….

                                                  Ò ……………………………………….

8.      There were a lot of  flowers         Ò ……………………………………….

                                                      Ò ……………………………………….

1
14 tháng 8 2021

I. Give the correct form of “to be” in the past simple tense.

1.      How old (be)……was………..…….your mother last year ? – She (be)………was…………..50 years old.

2.      My book (be) …………was…….…on the table last night . It (not be)…………wasn't……… new.

3.      What (be)……was……………..…that yesterday ? – It (be)…………was……..a doll.

4.      What (be)……were…………………they 2 days ago ? – They (be)…………were…………..my cousins.

5.  Was    Your brother (be)……………. 18 years old last week ? – Yes, he (be)…was…………

6.      You and I (be)………were…..…….doctors in the past. We (be)………were……………..friends, too.

7.   Was   He (be)……………...your teacher in 2020?

    - No, he (not be) …wasn't ….………, he (be)………was…. my sister.

8.      Nam (be)……………was…..…..a student in 1999 . He (be)………was……………in class 6A.

9.      Hoa and Nga (be)…were……………in the classroomlast years . They (not be)……weren't………..my classmates.

10.  My sister (be)…………was…..…….a nurse in 2015. She (be)………was………..twenty- two years old.

11.  Miss Lan’s students (not be) ………weren't……………fat in the past.

12.  Lan’s brothers (not be) ………weren't……..………doctors in 2008.

13.  Mai and Hoa (not be)…………weren't…… Mr Tan’s students  last year .

14.  I(be)  …was….. a student in 2012 My brother and sister (be) ……were…….. teachersMy brother (not be)  ………wasn't………. twenty-five years oldMy sister (be)  ………was..…….. twenty-four years oldThere (be) …were…….……… five people in my family.

15.  They (be)  ………were……students 3years ago They ( not be)  ………weren't……my friend.

16.  We (not be) ……weren't…… in the schoolyard 3 days ago.

II: Chuyển các câu sau sang dạng quá khứ

1. This is the notebook of Mary.  ->……………This was the notebook of Mary.…………………………

2. The tool of the mason is heavy. .  ->………………The tool of the mason was heavy………………………

3. They are  her children. .  ->…………They were her children.……………………………

4. The coat of the boy is torn. .  ->……………The coat of the boy was torn.…………………………

5. Is Mr. Van the friend of Mr. Dong ?  ->…………Was Mr. Van the friend of Mr. Dong ?……………………………

6. The windows of the house are green. .  ->……The windows of the house were green…………………………………

7. Are the caps  on the shelves ? ->………were the caps  on the shelves ………………………………

8. The desks of the pupils are always clean. .  ->…… The desks of the pupils were always clean…………………………………

9. He isn’t John Keats. .  ->………………He wasn't John Keats. ………………………

10. Their house is in the country. .  ->………Their house was in the country.………………………………

 III. chuyển các câu sau sang phủ định và nghi vấn

Eg:  She was eleven years old.           Ò   She wasn’t  eleven years old.

                                                            Ò   Was she eleven years old ?              

1.      I was  a teacher.                      Ò …I wasn't a teacher…………………………………….

                                                Ò ………Were you a teacher……………………………….

2.      Julia was tall and fat.              Ò ………Julia wasn't tall and fat……………………………….

                                                Ò ………was Kulia tall and fat?……………………………….

3.      John was tall.                          Ò ……John wasn't tall………………………………….

                                                 Ò ……………Was John tall?………………………….

4.      We  were my teacher.             Ò ………They weren't my teacher……………………………….

                                                  Ò ………Were you your teacher……………………………….

5.      They were a pupil.                  Ò ……They weren't pupils……………………………….

                                                  Ò ………Were they pupils……………………………….

6.      Thatwas a book                       Ò ………That wasn't a book……………………………….

                                                Ò ……Was that a book?………………………………….

7.      The pupils.  are good              Ò …The pupils aren't good…………………………………….

                                                  Ò …………Are the pupils good…………………………….

8.      There were a lot of  flowers         Ò ………There weren't any flowers……………………………….

                                                      Ò ……Were there any flowers………………………………….

21 tháng 12 2021

1. I __have done___ (do) all the housework. The flat is really clean now.

2. He ____wrote__ (write) a novel for two years, but he _hasn't finished_____ (not finish) it yet.

3. My brother ____left___(leave) home 10 years ago. I __have never met____ (never/ meet) him again since then.

4. I like your car. How long ___have___you _had_____ (have)it?

5. What __did____ you____do__ (do) last weekend? ___Did-play___ (play) golf?

6. Mai ___bought__ (buy) a new dress last week, but she __hasn't worn___(not wear) it yet.

7. Mr. Quang ____has taught__(teach) Math in this school since he ___graduated____ (graduate) from the university in 1989.

8. ____Have_ you__heard___ (hear) of Agatha Christie? She __is____( be) a novels writer. Have You __read_____ (read) any of them?

9. When I _____got__ (get) home last night, I ___was____ (be) very tired and I ___went___(go) straight to bed.

10. Daniel ___earned____(earn) some money last week. But I’m afraid he ____has already spent__ (already/spend) it all.

3 tháng 3 2021

1. went

2. were

3. did you attend

4. lived

5. went

6. was

7. met

8. bought

9. got

10. did you go

3 tháng 3 2021

Exercise 1: Put the verb in the past simple tense.

     1.  I (go) _____went______ to the cinema three times last week.

     2.  I was angry because they (be) ___were________ late.

     3.  ______Did_____ you (attend) ___attend________ the extra class last night. ?

     4.  Last year I (live) _____lived_______ in London.

     5.  My best friend (go) _____went_to_____ abroad five days ago.

     6.  The weather (be) ______was_____ good when we were on holiday.

     7.  I (meet) _____met______ Tom and Ann at the airport a few weeks ago.

     8.  I (buy) ___bought________ that novel on Monday.

     9.  Liza (get) _____got______ a good mark in the final exam.

    10. ____Did_______ you (go) ____go_______ out yesterday evening ?

10 tháng 12 2021

1. have never watched

2. watched

3. has read

4. had

5. have had

6. have not seen / saw

7. met / became

8.has not drunk

9. came

10. travelled

Put the verb in the past simple tense.1. His father (die) _____________________ in 1930.2. Lincoln (work) __________________in this factory three years ago.3. I (do) _____________________my homework last night.4. Miss White (write) ______________________to her father last Monday.5. My parents (buy) _________________________the car last year.6. Hoa (read) _____________________________the book yesterday.7. He (listen) _______________________________to the radio last night.8. We (watch)...
Đọc tiếp

Put the verb in the past simple tense.
1. His father (die) _____________________ in 1930.
2. Lincoln (work) __________________in this factory three years ago.
3. I (do) _____________________my homework last night.
4. Miss White (write) ______________________to her father last Monday.
5. My parents (buy) _________________________the car last year.
6. Hoa (read) _____________________________the book yesterday.
7. He (listen) _______________________________to the radio last night.
8. We (watch) _____________ a good programme on TV last night.
9. Mary (go) _______________shopping for me yesterday.
10. I (be) _______________ in Ha Noi last month.
11. My parents (go) _________________to HCM city last week.
12. Yesterday we (have) _________________a meeting at our school.
13. Mary (meet) __________________her parents two weeks ago.
14. She (be) _________________born in 1992.
15. What you (do) _______________________last night?
16. Last summer I (study) __________________English in Can Tho City.
17. She (not visit) __________________her son last week.
18. In 1997 there (be) _________________a terrible storm.
19. They (build) __________________the house twenty years ago.
20. John (not come) ___________________ to my birthday party last Sunday.

1
11 tháng 10 2021

1. His father (die) _______died______________ in 1930.
2. Lincoln (work) ___________worked_______in this factory three years ago.
3. I (do) _____________did________my homework last night.
4. Miss White (write) _____wrote_________________to her father last Monday.
5. My parents (buy) __________bought_______________the car last year.
6. Hoa (read) ___________________read__________the book yesterday.
7. He (listen) ______________________listened _________to the radio last night.
8. We (watch) _____watched________ a good programme on TV last night.
9. Mary (go) ___________went____shopping for me yesterday.
10. I (be) ________was_______ in Ha Noi last month.
11. My parents (go) ___went______________to HCM city last week.
12. Yesterday we (have) ___had______________a meeting at our school.
13. Mary (meet) _____________met_____her parents two weeks ago.
14. She (be) __________was_______born in 1992.
15. What you (do) _________did you do______________last night?
16. Last summer I (study) _________studied_________English in Can Tho City.
17. She (not visit) _________didn't visit_________her son last week.
18. In 1997 there (be) _____was____________a terrible storm.
19. They (build) ________built__________the house twenty years ago.
20. John (not come) ________didn't come___________ to my birthday party last Sunday.

IV. Put the verbs in brackets into the past simple tense (QKĐ)1. I (study)…………….………Art when I (be)……………..………at primary school.2. Why he (leave)…………… the party soon last night ?3. They (spend)……………….………their last vacation in HCM city.4. Nam (move)………………………to HN 10 years ago.5. She (start)……………to teach English in 2000 ?V. Use the verbs in brackets into the past continuous tense (QKTD)1. What you (do)………………………..…at 8p.m. yesterday ?2. Last Sunday, while I (read)……………..……………a book, the phone...
Đọc tiếp

IV. Put the verbs in brackets into the past simple tense (QKĐ)
1. I (study)…………….………Art when I (be)……………..………at primary school.
2. Why he (leave)…………… the party soon last night ?
3. They (spend)……………….………their last vacation in HCM city.
4. Nam (move)………………………to HN 10 years ago.
5. She (start)……………to teach English in 2000 ?
V. Use the verbs in brackets into the past continuous tense (QKTD)
1. What you (do)………………………..…at 8p.m. yesterday ?
2. Last Sunday, while I (read)……………..……………a book, the phone rang.
3. When she arrived, we (have)……………..………………dinner.
4. I (sit)……………..………… while Nick (watch)………….……………… TV.
5. You (cook)………………when she called ?

Help me

1
10 tháng 6 2021

IV

1. studied và was

2. did và leave

3. spent

4. moved

5. Did và start

V

1 was và doing

2 was reading

3 were having

4 was sitting và was watching

5 was you cooking 

 

 

10 tháng 6 2021

hic hic giành hết câu anh khi tui off

12 tháng 7 2021

Put the correct form of the verb in brackets:

1. He (learn) .....learnt...... to swim when he was a child.

2. Wolfgang A.Mozart (write) ..... wrote...... more than 600 pieces of music.

3. A friend of my brother's (call) .......called...... him last night, but we (not be) .......weren't.... at home. So i (take) .........took... a message for him.

4. Are you busy this evening?

- Yes, I (meet).......  will meet....... Tuan at the library at seven. We (study) ....  will study ....... together.

 

 

12 tháng 7 2021

1 leanrt

2 wrote

3 called - weren't - took

4 am going to meet - are going to study

27 tháng 9 2021

1. Mrs Mai (buy)........bought..... that house 2 years ago.
2. .........Did you go.... you ...............(go) out last night? No, I was tired.
3. My mother (teach) ..........taught.... at Tan Trao High School in 1990.
4. It (rain)...rained.......... a lot yesterday.
5. Sam (arrive).......arrived...... in San Diego a week ago.
6. When I (be)......was........ small, I often (play).....played........ with a doll.
7. I (meet)............met.... Arthur three weeks ago.
8. She (lose).......lost........... my key yesterday.
9. People (build).....built........... this school in 1967.
10. He (not/ practice)......didn't practice........... the piano last night.
11. Where you (sell)......did you sell........... yesterday?

4.Put the verbs in brackets in the simple past or past perfect tense. 1. When I (come) to the room last night, this film (begin) a quarter before. 2. Ronald Regan (be) a Hollywood actor before he (become) a politician? 3. I (feel) little better after I take) the medicine, 4. Was Tom at the party when you arrive)? - No, he (go) home. 5. Anna (never, see) snow until last winter 6. When the telephone rang, I just finish) my homework. 7. Peter's father (repair) his old bicycle this morning. 8. What...
Đọc tiếp

4.Put the verbs in brackets in the simple past or past perfect tense.

 1. When I (come) to the room last night, this film (begin) a quarter before. 

2. Ronald Regan (be) a Hollywood actor before he (become) a politician? 

3. I (feel) little better after I take) the medicine, 

4. Was Tom at the party when you arrive)? - No, he (go) home. 

5. Anna (never, see) snow until last winter 

6. When the telephone rang, I just finish) my homework. 

7. Peter's father (repair) his old bicycle this morning. 

8. What he (do) after he leave) school?

 9. Before I (come) here yesterday, my mother (call) me.

 10. We were very tired last night because we (play) football in the afternoon.

 11. After I (finish) my breakfast, I (get) ready to go to school. 

12. By 2007, I (leave) high school. 

13. You (live) in Hanoi before you (move) to here? 

14.I (go) to bed before 9 p.m last night. 

15. Miss Snow (type) ten letters before lunchtime yesterday. 

16. He said that he (see) that man before. 

17. Mr. Brown (die) after he (be) ill for a long time. 

18. By December 1s' last year, he (work) in the bank for 5 years. 

19. He discovered that he (eat) a fly. 

20. These students take) an exam before they (have) a summer holiday last year.

Mình cần gấp ạ

1
15 tháng 10 2021

 1. When I (come) came to the room last night, this film (begin) had begun a quarter before. 

2. Ronald Regan (be) Had - been a Hollywood actor before he (become) became a politician? 

3. I (feel)felt little better after I take)had taken the medicine, 

4. Was Tom at the party when you arrive)arrived? - No, he (go) had gonehome. 

5. Anna (never, see) had never seen snow until last winter 

6. When the telephone rang, I just finish)had just finished my homework. 

7. Peter's father (repair)repaired his old bicycle this morning. 

8. What he (do) did he do after he leave)had left school?

 9. Before I (come)came here yesterday, my mother (call) had called me.

 10. We were very tired last night because we (play)had been playing football in the afternoon.

 11. After I (finish)had finished my breakfast, I (get)got ready to go to school. 

12. By 2007, I (leave)had left high school. 

13. You (live)Had -lived in Hanoi before you (move)moved to here? 

14.I (go)had gone to bed before 9 p.m last night. 

15. Miss Snow (type) had typed ten letters before lunchtime yesterday. 

16. He said that he (see)had seen that man before. 

17. Mr. Brown (die)died after he (be)had been ill for a long time. 

18. By December 1s' last year, he (work)had been working in the bank for 5 years. 

19. He discovered that he (eat)had eaten a fly. 

20. These students take) had taken an exam before they (have) had a summer holiday last year.

15 tháng 10 2021

câu 18,tại sao lại thành has been working vậy ạ?Mik kbt ý bạn