补全对话。

A: Good morning, Miss Lin.

B: Hi, Liu Xing. 1._______________________?

A: I've just been to the English Corner.

B: Really? That's great! Did you talk with our foreign teacher Mark?

A: 2._________________. But I'm not sure if he understood me.

B: No problem. 3.____________________?

A: He said I needes more practice. But I'm afraid of making mistakes when I speak.

B: 4.__________________! Everyone makes mistakes at the beginning. You should believe in yourself.

A: But do you think they like to talk with us beginners?

B: Yes, unless they are busy.

A: Well, could you please help me with my oral English?

B: 5._______________. You can come to me at any time.