I.

1. I will buy / I go

2. he doesn't phone / I will phone

3. you want / I will give

4. he will fail / he doesn't study

5. you fill in / I will send

II.

1. to send/will to come

2. won't to understand/ to whisper

3. won't to survive / don't to take

4. to press/will to save

5. will to cross/to fly

6. will to answer /to have

7. to wear/won't to stay

8. to touch/won't to scream

9. will to forget/don't to  phone

10. will to remember/ to give

III.

1.work/will pass

2. come / will phone

3. will feel/don't give

4. go / will be

5. will know/don't reveal

6. eat/will be

7. don't hurry/will miss

8. see

9. have / will you go

10. cook

11. come

12. isn't / will put off

13. will pick / do you come

Chúc bn học tốt!

1/  will;will 

2/won't

3/will;will 

4/won't,will 

5/will