a.
1. was tired.
2. dosen't like rock music.
3. he'll book a table.
4. he bought a new car.
5. will live in the city center.
6. they can do it.
7. she saw the film on TV.
b.
1. I like football.
2.does she likes.
3. if I'm tired.
4. if they been to New York.
5. where did I lived before.
6. if he can swim.
7. where is he from.