题目内容
--- Is Mr. Smith in his office now?
--- No, he there. I saw him in the library a minute ago.
A. may be B. must be
C. can’t be D. won’t be
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题目内容
--- Is Mr. Smith in his office now?
--- No, he there. I saw him in the library a minute ago.
A. may be B. must be
C. can’t be D. won’t be