从所给的六个句子中选出五个补全对话。

a. And I don't know which to do first.

b. What problems do most children have?

c. What's your job?

d. Can you give me some advice?

e. Can you tell me something about your job?

f. You're welcome.

A: Mr Smith, you often help children. 　

B: Yes, of course. Children often write to me and ask me how to solve their problems.

A: 　　

B: Many can't decide when to study and when to play. I think they should learn to keep a balance between study and play.

A: I agree. Sometimes I have too much homework.

B: You must feel stressed out, right?

A: Yes.

B: Sure. As a student, you'd better do your homework first. And then you can go to play to get yourself relaxed.　

A: I see. Thank you for your advice.

B: