题目内容

-Waiter, what about my food? I ________ for over 30 minutes.

-Oh, sorry, sir.Just one more minute, please.

[  ]
A.

have waited

B.

was waiting

C.

have been waiting

D.

had waited

答案:C
解析:

此句用现在完成进行时而不用现在完成时主要是要表现出说话者不耐烦的心情。


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