从方框中选择恰当的句子补全下面的对话。（其中有两项是多余的）

A: Mr Smiths, I'm worried these days.

B:

A: I don't know how to improve my English listening.

B: I think you need more practice.

A: I've done that.

B: When you listen to tapes, don't stop when you can't understand some words.

A: I see. By the way, there is an English party this evening in our school. Would you like to come?

B: Of course.

A: Good. Let's meet at seven o'clock outside the gate.

B: OK. See you then.

A: See you.

A. What should I do? B. Why not? C. How is it going on well? D. What's your problem? E. But I often can't understand the speaker. F. I can't agree with you. G. You can listen to English tapes or programs on the radio or TV.