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You look tired out,I guess you -- well during the long journ

学习时间:2026-08-14 08:10:46 阅读：255

You look tired out,I guess you __ well during the long journeyA.can't have slept B.didn't sleep C.haven't slept D.will not sleep为什么不能选C

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狂野的铃铛

辛勤的故事

2026-08-14 08:10:46

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can't have done 表示对已经发生过的事情的否定推测。如果是肯定的推测,用must have done。

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优美的八宝粥
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2026-08-14 08:10:46
can't have done 表示对已经发生过的事情的否定推测。如果是肯定的推测,用must have done。

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