I.

1.stays / will go

2.hurries / will catch

3.will be 

4.is 

5.rises

6.don't leave 

7.will drop

8.phones

9.spray / will destroy

10.doesn't use

II.

1.If we recycle , we will save natural resources

2.If you aren't careful , you will fall over the rocks

3.

4.If you work too much , you will feel tired

5.If you are careless , you will break the vase 

6.If Ha works hard , she could pass the exam

7.If he buys recycled products , he can do a part to save the environment

8.If you put garbage into the bins ,you will minimize pollution

9.If we don't take a map with us , we will lose our way on the street

I. Use the correct form...

1. stay/will go

2. hurry/Will catch

3. will be

4. is

5. rises

6. don't leave

7.  will drop

8. phone

9. were sprayed/ won't be destroyed

10. doesn't use

II. Rewrite sentences

1. If we recycle, we will save the natural resources

2. If you are not be careful, you will fall over the rocks

4. If you work too much, you will feel tired

5. If you are careless, you will break the vase

6. If Ha works hard, she can pass the exam

7. If he buys recycled products, he can do a part to save the environment

8. If garbage was putted into the bins, pollution can be minimized (?)

9. If we don't take a map with, we will lose our way on the street

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