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:

现在完成进行时表示一直持续的状态,所以C项正确。


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