.She ________the film. She knows nothing about it.A.can’t seeB.can’t have seenC.must seeD.mustn’t ha

题目简介

.She ________the film. She knows nothing about it.A.can’t seeB.can’t have seenC.must seeD.mustn’t ha

题目详情

.
She ________the film. She knows nothing about it.
A.can’t seeB.can’t have seenC.must seeD.mustn’t have seen
题型:单选题难度:偏易来源:不详

答案

B
考查推测,用can, may must 肯定用must, 语气最强,may 语气较弱, can 用在否定句中。对过去推测用情态动词+have done
从She knows nothing about it可看出用否定的过去推测

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