Исправьте ошибки срочно нужно заранее спасибо!))

1. I'm going to buy a new bag. This one is too small for me.
2. Pete is one of the best students in our group.
3. Mrs. Smith used to work at a hospital.
4. Two hundred years ago people didn't travel much.
5. My little sister doesn't enjoy travelling by car.
6. Which text were they translating when you phoned them?
7. I can't wash up now. I'm too busy. — OK. I'm going to help you.
8. He could hardly wait to speak to her.
9. What shoes are you going to buy? — Black ones.
10. I think it will rain tomorrow.