问题
Look! Is that man Mr. Li–No, it ______ be him. He has gone to America for a meeting.
A:mustn’t
B:needn’t
C:won’t
D:can’t;
B:needn’t
C:won’t
D:can’t;
正确答案是：
同类题型
It is very important for us_____ English well.
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We need to spend more time researchingthese suggestions so that we can make a(n) choice.
Did you hear someone talking in the living room? — Oh, I forgot to ____ the TV just now.