问题

Look! It be David in the classroom.—It be him. Because I saw him in the library a moment ago.

A:may; mustn’t
B:must; can’t
C:can; can’t
D:mustn’t; can;

正确答案是：

同类题型

two readable books, which do you think is______ one for me to read

How is it going– .

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You may go fishing if your work _____________.

You didn’t use to play tennis, ______— Yes. I still like playing tennis now.