Безотлагательно нужна помощь!!

упр. 7
1. was writing
2. was not sleeping
3. was doing
4. were talking

упр. 8
When my mother came home, I was watching a film.
On Saturday at 9 o'clock my brother was doing his homework.
When the telephone suddenly rang, we still were playing outside. 
When I met my friend yesterday, he was reading a book in the park. 

упр. 16
When did the accident happen?
What housework do the boys do?
What machines can you use?
Whan does Molly do in her room?
Do you like this film?

упр. 17
How much milk
How many sweets
How much cabbage
How many biscuits
How many eggs