1 . 他们一定在教室里。
They   ________ in the classroom.

3 . You ________ be Carol. You haven’t changed a bit after all these years. （用适当的词填空）

4 . He must ________（enjoy）his stay in France. He looks very happy. （所给词的适当形式填空）

5 . It_________________________ last night，for the road was quite muddy.
昨天晚上一定下雨了，因为路上很泥泞。

6 . Your sister has been admitted to Beijing University? She ________ be quite clever! （用适当的词填空）

7 . 最后我想问他一点个人生活方面的问题。他的个人生活一定很有意思。（完成句子）
Finally, I would like to ask____________________his personal life. His personal life__________very interesting.

8 . Nobody noticed when he entered the classroom; he ___________________it from the back door.(slide)
没人注意到他什么时候进的教室；他一定是从后门溜进来的。

9 . —Do you know where Tony is?
—He _________ in the living room. I saw him there just now.

A．shall be

B．should have been

C．might have been

D．must be

10 . 单句语法填空(情态动词)
1. In today’s information age, the loss of data ____________cause serious problems for a company.
2. It’s strange that he____________have taken the books without the owner’s permission.
3. I can’t find my purse. I____________have left it in the supermarket yesterday, but I’m not sure.
4. —How do you do, Mr Smith? Thanks for meeting me here.
—You are welcome. You ____________be exhausted after a long walk.
5. —Hi, is that Peter Brown?
—Sorry. You____________(dial) the wrong number.
6. —I didn’t see her in the meeting room this morning.
—She can’t____________(speak) at the meeting.
7. Mike____________have arrived at 8：30 for the meeting, but he didn’t turn up.
8. Often he____________(will) sit for hours doing nothing at all when he was in low spirits.