Ответ:

  1. Bye for now. Maybe I’ll see you later.
  2. Prices are very high in France. You are going to need a lot of money for your holiday.
  3. There isn’t a cloud in the sky. It is going to be a beautiful day.
  4. I may go to the doctors tomorrow — I’ll see how I feel in the morning.
  5. Perhaps we will meet again one day.
  6. Helen feels tired, so she is going to go to bed early tonight.
  7. Do you think you will grow taller than your dad?
  8. The doctor will give you antibiotics or he may decide that you don’t need them.

Ответ: 2 — are going to need; 3 — is going to be; 4 — may go; 5 — will meet; 6 — is going to go; 7 — will grow; 8 — will give, may decide.