–Look! A man is cutting a tree on the moon. --It ______ be true. The teacher said there is no air o

题目简介

–Look! A man is cutting a tree on the moon. --It ______ be true. The teacher said there is no air o

题目详情

–Look! A man is cutting a tree on the moon.
--It ______ be true. The teacher said there is no air on the moon.
A.can’tB.may notC.shouldn’tD.mustn’t
题型:单选题难度:偏易来源:不详

答案

A

试题分析:句意:看!一个人在月亮上砍树。一定不是真的。老师说月亮上没有空气。A. can’t 表示否定猜测,一定不是  B. may not 不可能  C. shouldn’t 不应该 D. mustn’t一定不要做某事,表示禁止和劝告。情态动词可以表示对事物的推测,肯定句中由情态动词must/may/might+be 构成,意为“一定是,肯定是/也许是”,否定句由can’t+be构成。故选A。

更多内容推荐