题目内容

用括号中所给动词的适当形式完成对话。

A:I'm sorry I(1)________(keep)you waiting for so long.

B:Not at all.I have been here only a few minutes.

A:Let's go to the ticket box.

B:(2)________ you ________(book)the tickets?

A:No.But before I(3)________(come), I(4)________(telephone)the tickets box.There're some tickets left.

答案:
解析:

  1.have kept

  2.Have, booked

  3.came

  4.had telephoned


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