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IV. Choose the best answer (A, B, C or D).

1. If we _______ waste paper, we will save a lot of trees.

A. repeat                              B. recycle                        C. rewrite                           D. remark

2. You can save money while shopping by only buying ____________ you need.

A. what                                B. this                              C. it                                    D. that

3. Amsterdam is one of the ________ cities in the world.

  A. peacefullest          B. most peaceful

C. more peaceful

D. peacefuller

 

 

4. What can we do ____________ air pollution?

A. reduce                             b. to reduce                     C. reducing                        D. to reducing

 

5.  My brother and I will give last year’s clothes to____________ instead of throwing them away.

A. shop                                 B. people                         C. charity                           D. survey

6.________the film is late, I will wait to watch it.

     A. Because            B. When                           C. But                           D. Although

7. -“________ does he go to school?”                           -“I go by bike.”

A. When                        B. How                                        C. What                   D. Who

8. The students ________ to school on Sunday.

A. don't go                             B. not go                            C. isn't go                    D. goes

9. If we plant more trees in the schoolyard, the school will become a ____________ place.

A. darker                              B. greener                        C. dirtier                            D. more polluted

10. Do you think we should put a ____________ bin in every classroom in order to keep it clean?

A. reusable                             B. recycled                        C. recycling                 D. recyclable

11. Children should help their parents _______ their house ________ flowers and pictures.

      A. repaint – with     B. make - more beautiful            C. decorate-in                   D. decorate - with

 

 

4
11 tháng 5 2021

IV. Choose the best answer (A, B, C or D).

1. If we _______ waste paper, we will save a lot of trees.

A. repeat                              B. recycle                        C. rewrite                           D. remark

2. You can save money while shopping by only buying ____________ you need.

A. what                                B. this                              C. it                                    D. that

3. Amsterdam is one of the ________ cities in the world.

  A. peacefullest          B. most peaceful

C. more peaceful

D. peacefuller

 

 

4. What can we do ____________ air pollution?

A. reduce                             b. to reduce                     C. reducing                        D. to reducing

 

5.  My brother and I will give last year’s clothes to____________ instead of throwing them away.

A. shop                                 B. people                         C. charity                           D. survey

6.________the film is late, I will wait to watch it.

     A. Because            B. When                           C. But                           D. Although

7. -“________ does he go to school?”                           -“I go by bike.”

A. When                        B. How                                        C. What                   D. Who

8. The students ________ to school on Sunday.

A. don't go                             B. not go                            C. isn't go                    D. goes

9. If we plant more trees in the schoolyard, the school will become a ____________ place.

A. darker                              B. greener                        C. dirtier                            D. more polluted

10. Do you think we should put a ____________ bin in every classroom in order to keep it clean?

A. reusable                             B. recycled                        C. recycling                 D. recyclable

11. Children should help their parents _______ their house ________ flowers and pictures.

      A. repaint – with     B. make - more beautiful            C. decorate-in                   D. decorate - with

 

11 tháng 5 2021

IV. Choose the best answer (A, B, C or D).

1. If we _______ waste paper, we will save a lot of trees.

A. repeat                              B. recycle                        C. rewrite                           D. remark

2. You can save money while shopping by only buying ____________ you need.

A. what                                B. this                              C. it                                    D. that

3. Amsterdam is one of the ________ cities in the world.

  A. peacefullest          B. most peaceful

C. more peaceful

D. peacefuller

 

 

4. What can we do ____________ air pollution?

A. reduce                             b. to reduce                     C. reducing                        D. to reducing

 

5.  My brother and I will give last year’s clothes to____________ instead of throwing them away.

A. shop                                 B. people                         C. charity                           D. survey

6.________the film is late, I will wait to watch it.

     A. Because            B. When                           C. But                           D. Although

7. -“________ does he go to school?”                           -“I go by bike.”

A. When                        B. How                                        C. What                   D. Who

8. The students ________ to school on Sunday.

A. don't go                             B. not go                            C. isn't go                    D. goes

9. If we plant more trees in the schoolyard, the school will become a ____________ place.

A. darker                              B. greener                        C. dirtier                            D. more polluted

10. Do you think we should put a ____________ bin in every classroom in order to keep it clean?

A. reusable                             B. recycled                        C. recycling                 D. recyclable

11. Children should help their parents _______ their house ________ flowers and pictures.

      A. repaint – with     B. make - more beautiful            C. decorate-in                   D. decorate - with

 

 

28 tháng 4 2021

1 If we _________ waste paper, we will save a lot of trees.

A. repeat               B. recycle             C.rewrite               D. remark

2 you can save money while shopping by only buying_______ you need.

A. what                  B. this                   C. it                        D.that

28 tháng 4 2021

1/B

2/A

7 tháng 4 2019

1. If people can................... wastes, they will save a lot of money.

A. rebuild B. reduce C. reuse D. use

2. In the future, we won't go on holiday to the beach but we............ go on holiday to the Moon.

A. must B.can't C. might D. won't

3............the air is cleaner; people will have less breathing problems.

A. Unless B. When C. If D. Because

4. I might have a smartphone....................... the Internet.

A. surf B. surfing C. to surf D. to surfing

5. '' What can we do ......... air pollution?

A. reducing B. to reduce C. reduce D. to reducing

GOOD LUCKY

6 tháng 4 2019

1. If people can................... wastes, they will save a lot of money.

A. rebuild B. reduce C. reuse D. use

2. In the future, we won't go on holiday to the beach but we............ go on holiday to the Moon.

A. must B.can't C. might D. won't

3............the air is cleaner; people will have less breathing problems.

A. Unless B. When C. If D. Because

4. I might have a smartphone....................... the Internet.

A. surf B. surfing C. to surf D. to surfing

5. '' What can we do ......... air pollution?

A. reducing B. to reduce C. reduce D. to reducing

12 tháng 4 2018

complete sentences:

1. If we .........recycle......... waste paper, we will save a lot of trees.

2. You can save money while shopping by only buying ....what..... you need.

3. what can we do ..........to reduce... air pollution?

4. why do you often forget to......turm off.. the lights when you go out of the classroom?

5 If we plant more trees in the schoolyard, the school will become a....greener..... place.

12 tháng 4 2018

thanks

choose the best answer 1,I___to Singapore three times(A,have gone/B,have been/C,went/D,visited) 2,My brother can't swim__he's aftraid of water(A,because/B,but/C,and/D,so) 3,"I've just recived a cholaship"-"___"(A,really/B,thank you/C,congratulations/D,well) 4,choose the word that has the underlined part pronounced diffierently(A,ask/B,plastic/C,back/D,grandparent) 5,we will have a__ to look after the children(A,dishwasher/B,television/C,robot/D,computer) 6,Many girl and women__aerobics to...
Đọc tiếp

choose the best answer

1,I___to Singapore three times(A,have gone/B,have been/C,went/D,visited)

2,My brother can't swim__he's aftraid of water(A,because/B,but/C,and/D,so)

3,"I've just recived a cholaship"-"___"(A,really/B,thank you/C,congratulations/D,well)

4,choose the word that has the underlined part pronounced diffierently(A,ask/B,plastic/C,back/D,grandparent)

5,we will have a__ to look after the children(A,dishwasher/B,television/C,robot/D,computer)

6,Many girl and women__aerobics to keep fit(A,play/B,do/C,go/D,doing)

7,we might study__ computer at home(A,on/B,in/C,at)

8,we might go on holiday(A,in/B,from/C,to) the moon

9,we might have a(A,wire/Bwireless/C,wiring) TV so we can watch TV programmes from space

10,The weather in Da Nangcity is(A,hot/b,noisy/c,delicious)

13,walking to school will help__air pollution(A,reduce/b,reuse/c,recycle/d,refill)

15,Amsterdam is one of the __cities in the word(a,peacefulest/b,peacefuler/c,most peaceful/d,more peaceful)

16,__the film ia late, I will wait to watch it(a,because/b,when/c,but/d,although)

17,my father first__Da Lat in 2010(a,visited/b,went/c,go/d,been)

18,If the weather__good,I__camping with classmates.(a,is-willgo/b,is-go/c,will be-go/d,will ve-will go)

2
20 tháng 2 2018

choose the best answer

1,I___to Singapore three times(A,have gone/B,have been/C,went/D,visited)

2,My brother can't swim__he's aftraid of water(A,because/B,but/C,and/D,so)

3,"I've just recived a scholarship"-"___"(A,really/B,thank you/C,congratulations/D,well)

4,choose the word that has the underlined part pronounced diffierently(A,ask/B,plastic/C,back/D,grandparent)

5,we will have a__ to look after the children(A,dishwasher/B,television/C,robot/D,computer)

6,Many girl and women__aerobics to keep fit(A,play/B,do/C,go/D,doing)

7,we might study__ computer at home(A,on/B,in/C,at)

8,we might go on holiday(A,in/B,from/C,to) the moon

9,we might have a(A,wire/Bwireless/C,wiring) TV so we can watch TV programmes from space

10,The weather in Da Nangcity is(A,hot/b,noisy/c,delicious)

13,walking to school will help__air pollution(A,reduce/b,reuse/c,recycle/d,refill)

15,Amsterdam is one of the __cities in the word(a,peacefulest/b,peacefuler/c,most peaceful/d,more peaceful)

16,__the film ia late, I will wait to watch it(a,because/b,when/c,but/d,although)

17,my father first__Da Lat in 2010(a,visited/b,went/c,go/d,been)

18,If the weather__good,I__camping with classmates.(a,is-willgo/b,is-go/c,will be-go/d,will ve-will go)

29 tháng 3 2020

choose the best answer

1,I___to Singapore three times(A,have gone/B,have been/C,went/D,visited)

2,My brother can't swim__he's aftraid of water(A,because/B,but/C,and/D,so)

3,"I've just recived a scholarship"-"___"(A,really/B,thank you/C,congratulations/D,well)

4,choose the word that has the underlined part pronounced diffierently(A,ask/B,plastic/C,back/D,grandparent)

5,we will have a__ to look after the children(A,dishwasher/B,television/C,robot/D,computer)

6,Many girl and women__aerobics to keep fit(A,play/B,do/C,go/D,doing)

7,we might study__ computer at home(A,on/B,in/C,at)

8,we might go on holiday(A,in/B,from/C,to) the moon

9,we might have a(A,wire/Bwireless/C,wiring) TV so we can watch TV programmes from space

10,The weather in Da Nangcity is(A,hot/b,noisy/c,delicious)

13,walking to school will help__air pollution(A,reduce/b,reuse/c,recycle/d,refill)

15,Amsterdam is one of the __cities in the word(a,peacefulest/b,peacefuler/c,most peaceful/d,more peaceful)

16,__the film ia late, I will wait to watch it(a,because/b,when/c,but/d,although)

17,my father first__Da Lat in 2010(a,visited/b,went/c,go/d,been)

18,If the weather__good,I__camping with classmates.(a,is-willgo/b,is-go/c,will be-go/d,will ve-will go)

choose the best answer(A, B, C or D) 1.If we_waste poper, we will save a lot of trees. a.repeat b.recycle c.rewrite d.remark 2.you can save money while shopping by only buying_you need. a.what b.this c.it d.that 3.what can we do_air pollution? a.reduce b.to reduce c.reducing d.to reduing 4.why do you often forget to_the lights when you go of the classroom? a.turn on b. turm off c.close d.shut down 5.if we plant more trees in the schoolyrd, the school will become a_place. a.darker...
Đọc tiếp

choose the best answer(A, B, C or D)

1.If we_waste poper, we will save a lot of trees.

a.repeat b.recycle c.rewrite d.remark

2.you can save money while shopping by only buying_you need.

a.what b.this c.it d.that

3.what can we do_air pollution?

a.reduce b.to reduce c.reducing d.to reduing

4.why do you often forget to_the lights when you go of the classroom?

a.turn on b. turm off c.close d.shut down

5.if we plant more trees in the schoolyrd, the school will become a_place.

a.darker b.greener c.dirtier d.more polluted

6.do you think we should put a_bin in every classroom in order to keep it clean?

a.reusable b.recycled c.recying d.recyclable

7.my brother and i will give last year's clother to-instead of throwing them away.

ashop b.people c.chairity d.survey

8.next week our class is having a discussion about finding_ways to reuse old items before throwing them away.

a.interesting b.surprising c.useless d.creative

9.it is a good idea to_our clothes with our friends or cousin.

a.change b.swap c.turn d.send

10.if people turn off all electric appliances in one hur all over the worrl, they can save lots of_

a.electric b.electrical c.electrician d.electricty

11.you should put the food in a reusable box_plastic bags.

a.by b.instead of c.because of d.without

12.if we use_paper, we will save a lot of trees.

a.fewer b.less c.more d.much

13.don't throw rubbish intothe river becayse you will become_

a.greener b.dirty c.cleaner d.fresher

14.if there is a rubbish bin in every class, the classroom will become_

a.harmful b.lighter c.dirtier d.cleaner

15.if we all use_bags, we will help the environment.

a.new b.cheap c.reusable d.reduced

16.this newspaper is made of_paper.

a.recycle b.recycled c.old d.waste

17.please collect all the recyclable materials, and take them t the_

a.recycle b.recycled c.recyclable d.recycing

18.reduce, reuse, recycle is said to encourage people to waste less, bu using less and using things again, in order to_

a.harm b.damage c.pollute d.protect

19.these three Rs_reduce, reuce and recycle.

a.stwnd up b.stand for c.ask for d.means

20.if you have old clothes, will you give them to those_?

a.needs b.to need c.for needing d.in need

1
17 tháng 3 2018

choose the best answer(A, B, C or D)

1.If we_waste poper, we will save a lot of trees.

a.repeat b.recycle c.rewrite d.remark

2.you can save money while shopping by only buying_you need.

a.what b.this c.it d.that

3.what can we do_air pollution?

a.reduce b.to reduce c.reducing d.to reduing

4.why do you often forget to_the lights when you go of the classroom?

a.turn on b. turm off c.close d.shut down

5.if we plant more trees in the schoolyrd, the school will become a_place.

a.darker b.greener c.dirtier d.more polluted

6.do you think we should put a_bin in every classroom in order to keep it clean?

a.reusable b.recycled c.recying d.recyclable

7.my brother and i will give last year's clother to-instead of throwing them away.

ashop b.people c.chairity d.survey

8.next week our class is having a discussion about finding_ways to reuse old items before throwing them away.

a.interesting b.surprising c.useless d.creative

9.it is a good idea to_our clothes with our friends or cousin.

a.change b.swap c.turn d.send

10.if people turn off all electric appliances in one hur all over the worrl, they can save lots of_

a.electric b.electrical c.electrician d.electricty

11.you should put the food in a reusable box_plastic bags.

a.by b.instead of c.because of d.without

12.if we use_paper, we will save a lot of trees.

a.fewer b.less c.more d.much

13.don't throw rubbish intothe river becayse you will become_

a.greener b.dirty c.cleaner d.fresher

14.if there is a rubbish bin in every class, the classroom will become_

a.harmful b.lighter c.dirtier d.cleaner

15.if we all use_bags, we will help the environment.

a.new b.cheap c.reusable d.reduced

16.this newspaper is made of_paper.

a.recycle b.recycled c.old d.waste

17.please collect all the recyclable materials, and take them t the_

a.recycle b.recycled c.recyclable d.recycing

18.reduce, reuse, recycle is said to encourage people to waste less, bu using less and using things again, in order to_

a.harm b.damage c.pollute d.protect

19.these three Rs_reduce, reuce and recycle.

a.stwnd up b.stand for c.ask for d.means

20.if you have old clothes, will you give them to those_?

a.needs b.to need c.for needing d.in need

choose the best answer(A, B, C or D)1.If we_waste poper, we will save a lot of trees.a.repeat b.recycle c.rewrite d.remark2.you can save money while shopping by only buying_you need.a.what b.this c.it d.that3.what can we do_air pollution?a.reduce b.to reduce c.reducing d.to reduing4.why do you often forget to_the lights when you go of the classroom?a.turn on b. turm off c.close d.shut down5.if we plant more trees in the schoolyrd, the school will become a_place.a.darker b.greener c.dirtier...
Đọc tiếp

choose the best answer(A, B, C or D)

1.If we_waste poper, we will save a lot of trees.

a.repeat b.recycle c.rewrite d.remark

2.you can save money while shopping by only buying_you need.

a.what b.this c.it d.that

3.what can we do_air pollution?

a.reduce b.to reduce c.reducing d.to reduing

4.why do you often forget to_the lights when you go of the classroom?

a.turn on b. turm off c.close d.shut down

5.if we plant more trees in the schoolyrd, the school will become a_place.

a.darker b.greener c.dirtier d.more polluted

6.do you think we should put a_bin in every classroom in order to keep it clean?

a.reusable b.recycled c.recying d.recyclable

7.my brother and i will give last year's clother to-instead of throwing them away.

ashop b.people c.chairity d.survey

8.next week our class is having a discussion about finding_ways to reuse old items before throwing them away.

a.interesting b.surprising c.useless d.creative

9.it is a good idea to_our clothes with our friends or cousin.

a.change b.swap c.turn d.send

10.if people turn off all electric appliances in one hur all over the worrl, they can save lots of_

a.electric b.electrical c.electrician d.electricty

11.you should put the food in a reusable box_plastic bags.

a.by b.instead of c.because of d.without

12.if we use_paper, we will save a lot of trees.

a.fewer b.less c.more d.much

13.don't throw rubbish intothe river becayse you will become_

a.greener b.dirty c.cleaner d.fresher

14.if there is a rubbish bin in every class, the classroom will become_

a.harmful b.lighter c.dirtier d.cleaner

15.if we all use_bags, we will help the environment.

a.new b.cheap c.reusable d.reduced

16.this newspaper is made of_paper.

a.recycle b.recycled c.old d.waste

17.please collect all the recyclable materials, and take them t the_

a.recycle b.recycled c.recyclable d.recycing

18.reduce, reuse, recycle is said to encourage people to waste less, bu using less and using things again, in order to_

a.harm b.damage c.pollute d.protect

19.these three Rs_reduce, reuce and recycle.

a.stwnd up b.stand for c.ask for d.means

20.if you have old clothes, will you give them to those_?

a.needs b.to need c.for needing d.in need

9
10 tháng 2 2019

It is quite pointless to call her

-> There is no..point in calling her.

there is no point in doing something

10 tháng 2 2019

1. He is ___succesfully_ in making the machines ( SUCCESS )
2. People in the countryside is __friendly___ ( FRIENDLY )
3. My sister speaks English __better__ than Iam ( GOOD )
4. What is the correct ___pronunciation_ of this word? ( PRONOUCE )
5. There is room for further _improvement___ in your English ( IMPROVE )
6. She actively ___paripates___ in social work ( PARIPATION)
7. Last year we had an ___enjoyable__ summer holiday. ( ENJOY )
8. He was __proud__ of his chievements in the field of politíc ( PRIDE )
9. The __importance___ of the project made me tense ( IMPORTTANT )
10. It's a very simple question. You can __easily__ answer it ( EASY )

Three ways everyone can help make the Earth a greener place is to reduce, reuse, and recycle!When people reduce it means they are using (46)________ of something. This allows us to create less waste. Turning off the faucet when we brush our teeth is a simple way to reduce. This is a small action that prevents us from wasting (47)________.Another small action people can take is to reuse things we already have. Taking bags to the store (48)________ we shop for food is one way to reuse them. Using...
Đọc tiếp

Three ways everyone can help make the Earth a greener place is to reduce, reuse, and recycle!

When people reduce it means they are using (46)________ of something. This allows us to create less waste. Turning off the faucet when we brush our teeth is a simple way to reduce. This is a small action that prevents us from wasting (47)________.

Another small action people can take is to reuse things we already have. Taking bags to the store (48)________ we shop for food is one way to reuse them. Using both (49)________ of piece of paper before getting a new one is another way to reuse.

(50)________ is when new materials are created from old ones. Paper, plastic, and metal are all materials that can be recycled. Things like newspapers, soda cans, and plastic bags can all be turned into new objects if we take the time to recycle them!

46..a. much b. more c. little d. less

47.a. energy b. electricity c. water d. time

48.a. when b. what c. how d. while

49.a. ways b. sides c. parts d. points

50.a. Reusing b. Reducing c. Recycling d. Reacting

4
18 tháng 5 2021

trả lời hộ

18 tháng 5 2021

46A 47B 48A 49C 50C

cho mình nha

Three ways everyone can help make the Earth a greener place is to reduce, reuse, and recycle!When people reduce it means they are using (46)________ of something. This allows us to create less waste. Turning off the faucet when we brush our teeth is a simple way to reduce. This is a small action that prevents us from wasting (47)________.Another small action people can take is to reuse things we already have. Taking bags to the store (48)________ we shop for food is one way to reuse them. Using...
Đọc tiếp

Three ways everyone can help make the Earth a greener place is to reduce, reuse, and recycle!

When people reduce it means they are using (46)________ of something. This allows us to create less waste. Turning off the faucet when we brush our teeth is a simple way to reduce. This is a small action that prevents us from wasting (47)________.

Another small action people can take is to reuse things we already have. Taking bags to the store (48)________ we shop for food is one way to reuse them. Using both (49)________ of piece of paper before getting a new one is another way to reuse.

(50)________ is when new materials are created from old ones. Paper, plastic, and metal are all materials that can be recycled. Things like newspapers, soda cans, and plastic bags can all be turned into new objects if we take the time to recycle them!

46..a. much b. more c. little d. less

47.a. energy b. electricity c. water d. time

48.a. when b. what c. how d. while

49.a. ways b. sides c. parts d. points

50.a. Reusing b. Reducing c. Recycling d. Reacting

3
18 tháng 5 2021

46..a. much b. more c. little d. less

47.a. energy b. electricity c. water d. time

48.a. when b. what c. how d. while

49.a. ways b. sides c. parts d. points

50.a. Reusing b. Reducing c. Recycling d. Reacting

18 tháng 5 2021

46 D ; 47A ; 48A ; 49B ; 50C

III. Choose the word or phrase (A, B, C or D) that best complete the sentences. 6. If anyone _______________ him I _______________ back at 9 o’clock. A. calls/ tell / will be C. is calling / tells / am B. called / telling / would be D. will call / to tell / am 7. We shouldn’t _______________ rubbish on the street. A. throw B. reuse C. wrap D. turn off 8. _______________ means giving things to people who are in need. A. Swap B. Charity C. Reuse D. Recycle 9. If we use _______________ paper, we...
Đọc tiếp

III. Choose the word or phrase (A, B, C or D) that best complete the sentences.
6. If anyone _______________ him I _______________ back at 9 o’clock.
A. calls/ tell / will be
C. is calling / tells / am
B. called / telling / would be
D. will call / to tell / am
7. We shouldn’t _______________ rubbish on the street.
A. throw
B. reuse
C. wrap
D. turn off
8. _______________ means giving things to people who are in need.
A. Swap
B. Charity
C. Reuse
D. Recycle
9. If we use _______________ paper, we will save a lot of trees.
A. fewer
B. less
C. more
D. much
10. You should put the food in a reusable box _______________ plastic bag.
A. by
B. instead of C. because of
D. without
11. _______________you hear the fireworks from your house last night?
A. Can't
B. Could
C. Can
D. will
12. Yesterday, my mother_______________ me a robot toy on my birthday.
A. give
B. gave
C. giving
D. to give
13. My father always _______________ coffee at home instead of going to the coffee shop.
A. do
B. does
C. make
D. makes
14. “_______________do you think about the new kinds of robots?”
A. How
B. What
C. Why
D. When
15. We waste a lot of money and lime researching and making robots”.
A. I think not.
B. I don’t think so. C. I agree with.
D. I don't hope so.
IV. Fill each gap of the following sentences with a suitable preposition.
16. They often play catch _______________recess.
17. We could go _______________ the trip because we could afford it.
18. I haven’t been able to concentrate recently _______________ work. I don’t know what it is
at eleven o’clock, after the fog had lifted.
19. The plane couldn’t take _______________ any help last night.
20. My grandfather was able to walk _______________

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8 tháng 12 2020

III. Choose the word or phrase (A, B, C or D) that best complete the sentences.
6. If anyone _______________ him I _______________ back at 9 o’clock.
A. calls/ tell / will be
C. is calling / tells / am
B. called / telling / would be
D. will call / to tell / am
7. We shouldn’t _______________ rubbish on the street.
A. throw
B. reuse
C. wrap
D. turn off
8. _______________ means giving things to people who are in need.
A. Swap
B. Charity
C. Reuse
D. Recycle
9. If we use _______________ paper, we will save a lot of trees.
A. fewer
B. less
C. more
D. much
10. You should put the food in a reusable box _______________ plastic bag.
A. by
B. instead of

C. because of
D. without
11. _______________you hear the fireworks from your house last night?
A. Can't
B. Could
C. Can
D. will
12. Yesterday, my mother_______________ me a robot toy on my birthday.
A. give
B. gave
C. giving
D. to give
13. My father always _______________ coffee at home instead of going to the coffee shop.
A. do
B. does
C. make
D. makes
14. “_______________do you think about the new kinds of robots?”
A. How
B. What
C. Why
D. When
15. We waste a lot of money and lime researching and making robots”.
A. I think not.
B. I don’t think so.

C. I agree with.
D. I don't hope so.
IV. Fill each gap of the following sentences with a suitable preposition.
16. They often play catch _____at__________recess.
17. We could go ______on_________ the trip because we could afford it.
18. I haven’t been able to concentrate recently _______at________ work. I don’t know what it is
at eleven o’clock, after the fog had lifted.
19. The plane couldn’t take ______off_________ any help last night.
20. My grandfather was able to walk ____without_________