-----Is he in the office now?---- No,he ______ be there.I saw him in the library just now
A.won’t
B.can’t
C.needn’t
D.mustn’t
我想选A 但是错了
人气：138 ℃ 时间：2020-01-27 18:36:11
解答
答案为B
表示确定的肯定猜测时用”must“,表示确定的否定猜测用”can't“,这两个词算是一组反义词,改否定句时经常会遇到.
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