Look!It is very sunny now.I think it ______be rainy.A.mustn't B.can't C.needn't

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Look!It is very sunny now.I think it ______be rainy.A.mustn't B.can't C.needn't
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Look!It is very sunny now.I think it ______be rainy.A.mustn't B.can't C.needn't
Look!It is very sunny now.I think it ______be rainy.
A.mustn't B.can't C.needn't

Look!It is very sunny now.I think it ______be rainy.A.mustn't B.can't C.needn't
选B A选项是不允许,禁止之意
C选项是不需要
B选项表示不会 不应该 很确定的否定意思

B

C . needn't 本句中本意要填“一定不是”,是must的否定,选C 注意,musn't是“禁止”的意思

选B.这道题考查情态动词表推测时的用法:
1.表示否定推测用can't +动词原形
2.表示肯定推测用must+动词原形 如:
He must be a student.他准是个学生.

本题考查的是“情态动词+be”表示“推测”。选B“不会”
A过于肯定
C句意不通

选B的咯 有人解释了

B
根据题意是不可能下雨
A是禁止
C是不需要
B是不可能

B

B,不会下雨。A 表示禁止下雨。C 表示不需要下雨。

A