He was told that the stranger (wait) ________ for him for two hours.had been wai

游客2023-09-18  8

问题 He was told that the stranger (wait) ________ for him for two hours.

选项

答案 had been waiting

解析 根据句意,主句中的“他被告知”是一个发生在过去的被动形式,以及在句末的“for two hours”是完成时态的标志,因此,空格处应当填入过去完成进行时。即had been waiting。
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