问题
选择题
—Is that your teacher?
—That_____be Mr.Wang. He has gone to Japan with his wife.[ ]
A. can't
B. mustn't
C. may not
答案
答案：A
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—Is that your teacher?
—That_____be Mr.Wang. He has gone to Japan with his wife.[ ]
A. can't
B. mustn't
C. may not
答案：A