IV/

 1. won't be

 2. won't take

 3. won't do

 4. won't go

 5. can't pass

 6. won't take

 7. won't buy

 8. hasn't eaten

 9. won't snow

 10. won't wait

V/

 1. D

 2. B

 3. D

 4. A

 5. B

I/

 1. will do

 2. will call

 3. will recover

 4. will return

 5. will stay

 6. Will you take

 7. won't come

II/

 1. She hopes that Mary will come to the party tonight.

 2. I will finish my reports in 2 days.

 3. If you don't study hard, you won't pass the final exam.

 4. You look tired, so I will bring you something to eat.

 5. Can you give me a lift at the station?

III/

 1. will get

 2. will win

 3. will come

 4. will be

 5. will be

 6. will turn

 7. will come

 8. will take

 9. will feel

 10. will be