A: Mr John, 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 achieve a balance between study and play.
A: I agree. Sometimes I get too much homework and  
B: You must feel stressed(紧张) from time to time,right?
A: Yes. Can you give me some advice?
B: OK.   
A: I see. Any more?
B: Yes. You can also get help from your classmates at your own school.
A: Thanks for your advice.
B:  

A: I don’t know which to do first. B: What problem do most students have? C: What’s your job? D: You can talk to your teachers,parents or friends? E: Can you tell me something about your job? F: It’s so kind of you to tell me this. G: You are welcome.