исправьте ошибки)пожалуйста)

... you? — I... in the kitchen. 2. Where ... Fred? — He ... in
the garage. 3. Where ... Lisa and John? — They .. at college.
4Вставьте
глагол to be в Present Simple..
... you busy? — No, I... not. Mike ... busy. He ... the busiest
person I've ever met. 5. It... ten o'clock. She ... late again. 6.
How ... you? — I ... not very well today. — I ... sorry to hear
that. 7. We ... interested in classical music. 8. Vera ... afraid of
snakes. 9. My grandmoth­er ... not nervous and she ... rarely
upset. She ... the kindest person I've ever seen. My grandmother ...
really wonderful. 10. I ... sorry. They ... not at the office at the
moment.

Под каждой цифрой должна быть какая-то ошибка, пожалуйста, помогите исправить)) Заранее спасибо)
1. -They have bought a new house.
-Really? I'd like to see a house.
2. When I was a baby I can't run quickly.
3. That wasn't a good book, was that?
4. This is your bike, isn't this?
5. Her lesson starts at 10 o'clock. She mustn't get up at 6 o'clock.
6. I didn't have any stamps at home. I must go to the post-office.

7. Did he must see the doctor last week?
8. It was late. We must take a taxi.
9. You mustn't get up early. It's Sunday.
10. Kate mustn't go to the doctor. She is not ill.