题目内容
— Is Mr. Smith in his office now?
— No, he _____ there. I _____ him in the library a minute ago.
— No, he _____ there. I _____ him in the library a minute ago.
[ ]
A. may be, saw
B. can't be, see
C. mustn't be, see
D. can't be, saw
B. can't be, see
C. mustn't be, see
D. can't be, saw
D
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