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（ H—Helen   D—Dave ）

H: Dave, We've been studying for hours.      1 

D: All right. I'm really feeling a little tired.

H:   2 

D: Yes, please.

H: Coffee or orange juice?

D:   3   

H: OK. Let's have some orange juice then.

D: Dave, you are very good at listening. Are there good ways?

H: Well, I think first of all listen to tapes as much as possible.

D:  4  

H: You need to pay more attention to the important information while listening.

D: Thank you for your advice.

H:  5