问题 选择题

—He must be in the reading-room now. We will find him there.

---No, he _____.Tom said he was ill at home .

A.must not

B.can’t

C.may not

D.should not

答案

B

四个选项分别表示不准、不能、不可以和不应该,根据题意选B,他现在肯定在教室读书。我们会在那儿找到他。——不,他不可能。汤姆说他在家养病。

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