问题
选择题
Little Tom _____ finished his homework; otherwise, he wouldn't be listening to music.[ ]
A. can have
B. must have
C. should have
D. might have
答案
答案：B
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Little Tom _____ finished his homework; otherwise, he wouldn't be listening to music.[ ]
A. can have
B. must have
C. should have
D. might have
答案：B