1. If we _________V_________ 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 ________A__________ you need.

A. What B. This C. It D. That

3. What can we do ______B____________ air pollution?

A. Reduce B. To reduce C. Reducing D. To reducing

4. Why do you often forget to ________B__________ the lights when you go out of the classroom?

A. Turn on B. Turn off C. Close D. Shut down

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

A. Darker B. Greener C. Dirtier D. More polluted

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

A. Reusable B. Recycled C. Recycling D. Recyclable

7. My brother and I will give last year’s clothes to ________C__________ instead of throwing them away.

A. Shop B. People C. Charity D. Survey

8. Next week our class is having a discussion about finding ____________D______ ways to reuse old items before throwing them away.

A. Interested B. Surprising C. Useless D. Creative

9. It is a good idea to ________B__________ our clothes with our friends or cousins.

A. Change B. Swap C. Turn D. Send

10. If people turn off all electric appliances in one hour all over the world, they can save lots of ____A_____.

A. Electric B. Electrical C. Electrician D. electricity

11. You should put the food in a reusable box _______B___________ plastic bags.

A. By B. Instead of C. Because of D. Without

12. If we use ________B_________ paper, we will save a lot of trees.

A. Fewer B. Less C. More D. Much

13. Don’t throw rubbish into the river because you will make it ________B__________.

A. Greener B. Dirty C. Cleaner D. Fresher

14. If there is a rubbish bin in every class, the classroom will become______D____________.

A. Harmful B. Lighter C. Dirtier D. Cleaner

15. If we all use ______C____________ bags, we will help the environment.

A. New B. Cheap C. Reusable D. Reduced

16. This newspaper is made of ________B__________ paper.

A. Recycle B. Recycled C. Old D. Waste

17. Please collect all the recyclable materials, and take them to the ________D__________ factory.

A. Recycle B. Recycled C. Recyclable D. Recycling

18. Reduce, reuse, recycle is said to encourage people to waste less, by using less and using things again, in order to ________D__________ the environment.

A. Harm B. Damage C. Pollute D. Protect

19. These three Rs _______B___________ reduce, reuse and recycle.

A. Stand up B. Stand for C. Ask for D. Means

20. If you have old clothes, will you give them to those ______D____________?

A. Needs B. To need C. For needing D. In need

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

1/B

2/A

1B

2A

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

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

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

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

1. B

2. A

3. A

4. B

5. C

6. D

7. A

8. A

9. B

10. C

11. D

Chúc bạn học tốt!! ^^

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.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_plas 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

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.

Đáp án: D

Đáp án là D.

14. Give a ______ before you turn left or right.
A. sign B. turn C. signal D. sound
15. If we reduce the energy we use, we _______ a lot of money.
A. save B. saving C. to save D. will save
16. How about ______ money to help the poor?
A. raise B. raising C. to raise D. raised

14. Give a ______ before you turn left or right.
A. sign B. turn C. signal D. sound
15. If we reduce the energy we use, we _______ a lot of money.
A. save B. saving C. to save D. will save
16. How about ______ money to help the poor?
A. raise B. raising C. to raise D. raised