问题
Who’s the man over there?Is it Mr. Black?——It______be him. He’s much taller.
A:may not
B:can’t
C:will not
D:mustn’t
B:can’t
C:will not
D:mustn’t
正确答案是：
同类题型
What’s his brother?－He is a teacher.He__________ maths at a school.
His father believe in_____ very much, so he makes decisions all by _____.
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