问题
The man in a black suit _______ be our youth worker.— I’m sure it _______ be him. I saw him in the laboratory building some minutes ago.
A:must; can’t
B:can; mustn’t
C:can; could
D:must; won’t
B:can; mustn’t
C:can; could
D:must; won’t
正确答案是：
同类题型
What do you think of his talk on the Information Technology?—Oh, very good. It’s worth ______.
Is your math book on the desk, Tommy?—No, it isn’t. It’s _______.[ ]
Must we wear our school uniform this afternoon?— No, you. All of us will go on an outing.
Bill is ___________ classmate. He is a friend of ____________, too.