问题
Who is the boy over there Is it John— No, it ______ be him. John is much taller.
A:can’t
B:may not
C:mustn’t
D:needn’t;
B:may not
C:mustn’t
D:needn’t;
正确答案是：
同类题型
In my opinion, hard work is as important as, ______ an efficient way in study. [ ]
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and dates so that I have no trouble in finding them when they_______
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