问题 补全对话,情景问答
基本语法。
A:  Hello, is that Bill?
B:  Yes,  _ 1 _ 
A:  Oh, this is Mary.
B:    _2 _ , Mary?
A:  Nothing important, I just want to borrow an English  book from you, can I?
B:  Well, let's meet at the school gate. _ 3_  
A:  OK, thank you very much.
B:  That's all right. _  4 _ 
A:  No, bye-bye.
B:  Bye-bye.
A. What's up
B. who's that?
C. Do you have anything else?
D. I will lend my book to you tomorrow.
答案

1-4.  BADC

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