I’m sorry to keep you for almost two hours.A. waitB. to waitC. waitingD. waited

发布时间：2020-08-20 13:27:00

I’m sorry to keep you      for almost two hours.
A. wait
B. to wait
C. waiting
D. waited

网友回答

A. wait
B. to wait
(答案→)C. waiting
D. waited
解析：使某人不断的做某事通常可写成keep sb doing sth，故选C。
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