根据句意，用适当的人称代词填空。

1. Hi, Amy! Do             like chatting with your friends?

2. This is Tom.             is a new student.

3. My sister likes reading.             has a lot of books.

4. My name is Li Ming.             live in Chengdu.

5. I have two good friends at school.              are in Class Two, too.

风湿性心肌炎的Aschoff小体最常见于

A．左心室后壁

B．左心室前壁

C．室间隔

D．左心房及左心室