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!! ^^

If it ( be ) ...is.... sunny next week, we ( plant )...will plant.... the vegetables.

We ( save ) ..will save... a lot of trees if we ( not waste ) ..don't waste... so much paper.

If it is sunny next week, we will plant the vegetables.

We will save a lot of trees if we don't waste so much paper.

If it ( be ) ...is.... sunny next week, we ( plant )...will plant.... the vegetables.

=> Câu điều kiện loại 1 : Có thể xảy ra trong tương lai. Cấu trúc:

If + S + HTĐ + O, S + TLĐ + O

We ( save ) ...will save.. a lot of trees if we ( not waste ) ..don't waste... so much paper.

C

B

B

A

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

don't waste

has walked

will be

play

visited

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.

1,write /tomorrow /will /a letter/I

->………………I will write a letter tomorrow.…………………………………

2,  if/save /we /we/ a lot of /reuse /money /will /bottles

->…………………If we reuse bottles, we will save a lot of money.………………………………

3,will /robots /able to/ be/all the housework/ us/do /instead of

->……………………Robots will able to do all the housework instead of us.……………………………

4, children /a robot /we /lookafter/ will have /our /

->……………………We will have a robot look after our children.……………………………

1. If/you/burn rubbish/you/produce harmful smoke

-> If you burn rubbish, you will produce harmful smoke 

2.If/we/reuse bottles/we/save a lot of money

-> If we reuse bottles, we will save a lot of money 

3. If/students/use recycled paper/they/save/trees

-> if students use recycled paper, they will save the trees

4. If/students/plant trees in the schoolyard/their school/greener place

-> if students plant trees in the school yard, their school will be a greener place

1. If/you/burn rubbish/you/produce harmful smoke

-> If you burn rubbish, you will produce harmful smoke 

2.If/we/reuse bottles/we/save a lot of money

-> If we reuse bottles, we will save a lot of money 

3. If/students/use recycled paper/they/save/trees

-> if students use recycled paper, they will save the trees

4. If/students/plant trees in the schoolyard/their school/greener place

-> if students plant trees in the school yard, their school will be a greener place