W: I don’t know why we listen to GeorgeM:（）
A. I don’ t know exactly why, either.
B. I guess we are wrong this time.
C. I know. But perhaps you don’ t know why.
D. George, you know, is one of the hardest working students among us.
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57（）
A. say
B. describe
C. mention
D. write
Student A: May I use your computer this afternoonStudent B: I’ m sorry, but I have to finish typing this term paper today.Student A:（）
A. Do as you please.
B. It doesn’ t matter.
C. Thank you all the same.
D. Never min
contribute to consume increase deforestation keep...from solve protect
Speaker A: May I speak to Dr. Wang; pleaseSpeaker B :（）
A. Hold on a second, please. I’ll put him on.
B. Sorry, Mr. Wang is not available fight now.
C. I am not sure because I don’ t know what he is doing.
D. Thank you very much for callin
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