根据对话内容，在空格中填写一个句子，使对话完整、正确。

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 needed more practice. But 4________________________.

B: Take it easy! 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 help me with my oral English?

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