题目内容
【题目】--You didn't wait for Tom yesterday.
--Yes, but we ______. He didn't come.
A. needn't have B. didn't need to
C. could have D. should have
【答案】B
【解析】
试题分析:句意:--你们昨天没有等汤姆。---是的,但是我们没必要这么做。他昨天根本就没有来。A. needn't have是完成时needn't have done的省略,“本不需要做但已经做了”;B. didn't need to过去式,“没必要”;C. could have 是完成时could have done的省略,“本可以做而没有做”; D. should have是完成时should have done的省略,“本应该做而没有做”。根据语境表示没有必要,故选B。
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