问题
选择题
The bike _____ be Adam's. Look! His bag is on it.[ ]
A. can
B. must
C. can't
D. mightn't
答案
答案：B
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The bike _____ be Adam's. Look! His bag is on it.[ ]
A. can
B. must
C. can't
D. mightn't
答案：B