问题

A man landed on Mars You must be joking. It ______ be true.
A:mustn’t
B:can’t
C:needn’t
D:won’t;
B:can’t
C:needn’t
D:won’t;
正确答案是:
同类题型
Let’sgo out for dinner tonight ——OK It doesn’t matter tome we eat
this book_____ you bought in the bookstore—No, mine is yellow. It _____ Sally, I think.
The boy talked his mother ________ buying him a homecomputer.
what effect does the medicine have the blood pressure ? — well ,it depends how much you take