问题
选择题
—Mum, _____ I go out to play?
—Yes, you can. But you must finish your homework first. [ ]
A. must
B. may
C. will
D. need
答案
答案：B
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—Mum, _____ I go out to play?
—Yes, you can. But you must finish your homework first. [ ]
A. must
B. may
C. will
D. need
答案：B