单选题     A. it's full                        B. Good question          C. I bet that was fun
    D. Good idea                      E. I used to              F. fewer cars
    G. Look                      H. Hey
A: Why is there never a bus when you want one?
B:    56    . There aren't enough buses on this route.
A: Sometimes I feel like writing a letter to the paper.
B:    57    . You should say that we need more subway lines, too.
A. Yeah. There should be more public transportation in general.
B: And    58    ! There's too much traffic.
A:    59    , is that our bus coming?
B: Yes, it is. But look,    60   
A: Oh, no! Let's go and get a cup of coffee. We can talk about this letter I'm going to write.
问答题    
 
【正确答案】B
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问答题    
 
【正确答案】D
【答案解析】
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【正确答案】F
【答案解析】
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【正确答案】G
【答案解析】
问答题    
 
【正确答案】A
【答案解析】