问题

You _ be tired; you have been working for so long a time,but he _ be tired; he has just begun to work.

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

正确答案是：

同类题型

Of all the books on the shelf, is of any use for improving our practical skills of survival in the competitive world.

More and more high－rise buildings have been builtin big cities 　　　　 space.

Bob has no brothers sisters.

下列文句所评价的诗人有误的一项是（1）师祖建安，宗渊明，冲淡中有壮逸之气。（2）清新庾开府，俊逸鲍参军。（3）为人性僻耽佳句，语不惊人死不休。（4）心是已灰之木，身如不系之舟；问汝平生事业黄州儋州惠州。

Can you tell me all about the earthquake?—Sorry, I know nothing about it _____ I read in the newspaper[ ]