题目内容：

从方框中选择适当的句子补全对话。(10分)

A: Who is the letter from?

B:       1.          .

A: Does he speak Chinese?

B:      2.       .He speaks English. But he knows a lot about China.

A:           3.            ?

B: Yes, he does.

A:            4.                ?

B: He wants to visit Beijing.

A: Oh, he can help you with your English.

B:         5.          .