Помогите пожалуйста, будущее время если что)

1. Please don't call me this afternoon. I  b) will be doing some important work.

2. He will come round tomorrow if he c) has time.

3. By the time we get to London we c) will have driven over two hundred

miles.

4. Не a) will come back to Moscow on the 15th of December.

5. If they start school at four, most children a) will have learnt to read and

write by the age of six.

6. By the end of this century scientists b) will have built factories in space.

7. I think I'll stay here until it a) stops raining.

8. When you arrive at their place, they won't be ready. They b) will be still cooking the meal.

9. If he c) comes he will let you know.

10. By 2020, he a) will have worked here for twenty years.

11. "Have you decided how to spend the prize money? "Well, I think we b) will buy a new car.

12. This time tomorrow they b) will be watching a film.

13. He a) will get up at 7 o'clock tomorrow.

14. At 10 o'clock tomorrow, she b) will be working in her office.

15. We're late. The film c) will have already started by the time we get to the cinema.