4. Hello! Is that Mr. Liu?

3. It's hot today, isn't it?

2. What can I do for you?

　　 A

1. What do you think of China?

8. Lucky, he wasn't badly hurt.

　　 改为　　　　　　　　　　　　　　

7. He has a strange way of teach us maths.

　　 改为　　　　　　　　　　　　　　

6. What an interested story that is!

　　 改为　　　　　　　　　　　　 　　　　　　

5. Why didn't you to buy a scarf?

　　 改为　　　　　　　　　　　　　　

4. It's hard take care of the pet.

　　 改为　　　　　　　　　　　　　　

3. Sometimes he doesn't have time enough to spend with her.

　　 改为