题目内容
【题目】I'm very sorry to keep you __________ for a long time.
A.wait
B.waits
C.waiting
D.to wait
【答案】C
【解析】句意：非常抱歉让你久等了。keep sb+动词-ing 使某人一直做某事，故选C。
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题目内容
【题目】I'm very sorry to keep you __________ for a long time.
A.wait
B.waits
C.waiting
D.to wait
【答案】C
【解析】句意：非常抱歉让你久等了。keep sb+动词-ing 使某人一直做某事，故选C。