I didn’t see her in the meeting-room this afternoon. She______at the meeting.A、m

游客2023-11-12  21

问题 I didn’t see her in the meeting-room this afternoon. She______at the meeting.

选项 A、mustn’t have spoken
B、shouldn’t have spoken
C、needn’t have spoken
D、couldn’t have spoken

答案 D

解析 考查“情态动词+完成体”的用法。didn’t表明事情发生在过去,对过去情况的否定推断,要用couldn’thave done,故选D。must have done一般用于肯定句,表示对过去肯定的推测;shouldn’t have done表示“本不应做某事而做了”;needn’t have done“本不必做某事而做了”。
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