_____ in the queue for half an hour, the old man suddenly realized be had left the cheque in the car

题目简介

_____ in the queue for half an hour, the old man suddenly realized be had left the cheque in the car

题目详情

_____ in the queue for half an hour, the old man suddenly realized be had left the cheque in the car.

A. Waiting
B. To wait
C. Having Waited
D. To have waited
题型:单选题难度:中档来源:山西省期末题

答案

C

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