题目内容
_____in the queue for half an hour, the old man suddenly realized he had left the purse in the office.
A. Having waited B.Waiting C.to wait D. To have waited
A
【解析】
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题目内容
_____in the queue for half an hour, the old man suddenly realized he had left the purse in the office.
A. Having waited B.Waiting C.to wait D. To have waited
A
【解析】
|