问题
选择题
Lily ____ come tomorrow or she ____. I'm not sure.[ ]
A. can;can't
B. may;can't
C.must;mustn't
D.may;may not
答案
答案：B
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Lily ____ come tomorrow or she ____. I'm not sure.[ ]
A. can;can't
B. may;can't
C.must;mustn't
D.may;may not
答案：B