问题
选择题
—Listen! Is Tom singing in the classroom?
—No. It ____ be Tom. He has gone to Paris.[ ]
A. may not
B. needn't
C. can't
D. might
答案
C
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—Listen! Is Tom singing in the classroom?
—No. It ____ be Tom. He has gone to Paris.[ ]
A. may not
B. needn't
C. can't
D. might
C
