听录音，填入所缺的单词。

A: Hello, Jim. What are you doing?

B: I am writing ato my pen friend.

A: Is your pen friend a?

B: Yes, he is.

A: Can he speak?

B: Yes, and he can write English.

A: What's his hobby?

B: He likesand reading.

A: Can I be his pen friend?

B: Sure. Here is his.

A: Thank you.