1 . -I think Helen is at home.
-No, she ________ (不可能) be at home, for she phoned me from the airport just five minutes ago.(根据汉语提示单词拼写)

2 . 用情态动词+动词的适当形式填空
1. It’s usually quite warm in my hometown in March, but it __________(be) very cold sometimes.
2. It __________(not be) the postman at the door. It’s only six o'clock.
3. —I don’t really like James. Why did you invite him?
—Don’t worry. He __________(not come). He said he wasn’t certain what his plans were.
4. —Guess what? I have passed the driving test.
—Great! You __________(spend) a lot of time practicing.
5. In those days, whenever I had difficulties, I __________(go) to Mr. Wang for help.

3 . ------Is Professor Smith giving the speech today?
------It ______ be him. He is abroad right now.

A．needn’t	B．can’t
C．wouldn’t	D．mustn’t

4 . —Why does she look so angry after reading Still Alice?
—She ________ be. She ________ be missing her grandma who has Alzheimer’s.

A．can’t; must	B．mustn’t; can
C．shouldn’t; should	D．can’t; would

5 . ——No one ________ be compared with Li Na in playing tennis.
——Oh, you are really her big fan.

A．can

B．need

C．must

D．might

6 . It was so noisy outside that we ____________ hear what they were talking about.

A．mustn’t	B．didn’t have to
C．ought not to	D．couldn’t

7 . My iPhone isn’t in my bag. Where ____ I have put it?

A．can

B．must

C．should

D．would

8 . You ________ reach him on his mobile now — his mobile is still under repair.

A．shouldn’t	B．wouldn’t
C．can’t	D．mustn’t

9 . You ________ be tired—you’ve only been working for an hour.

A．must not

B．won’t

C．can’t

D．may not

10 . (2013·天津，9)No one________ be more generous；he has a heart of gold.

A．could

B．must

C．dare

D．need