Question

IV. Write sentences

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

 

2.  If /you/ reuse/ these bottles, you /save /lot / money.

 

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

 

4.  If /students /plant trees / schoolyard, their school /be / greener place.

 

5.  If there / a rubbish bin /every class, the classroom /be /cleaner.

Answer 1

Tham khảo 

1 if / burn rubbish, /produce harmful smoke .

⇒⇒If you burn rubbish, you will produce harmful smoke.

2 if / reuse bottles, /save a lot of money.

⇒⇒If you reuse these bottles , you will save a lot of money.

3 if/use recy cled paper , /save/trees.

⇒⇒If student use recycled paper,they will save a lot of trees.

4 if / plant trees in the schoolyard,/school/greener place.

⇒⇒If student plant trees in the schoolyard,their school will be a greener place.

5 if / rubbish bin in every class , / classrom / cleaner.

⇒⇒If there is a rubbish bin in every class,the classroom will be cleaner.