题目内容
________in the queue for half an hour ,the old man suddenly realized he had left the cheque in the car.
A. Waiting B. To wait C. Having waited D. To have waited
C
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题目内容
________in the queue for half an hour ,the old man suddenly realized he had left the cheque in the car.
A. Waiting B. To wait C. Having waited D. To have waited
C
|