问题描述:
[-A60] ______ in the queue for half an hour,the old man suddently realized he had left
the cheque in the car.
A.Waiting
B.To wait
C.Having waited
D.To have waited
翻译并分析
the cheque in the car.
A.Waiting
B.To wait
C.Having waited
D.To have waited
翻译并分析
问题解答:
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