1 . It ______ (rain) last night, for the ground is wet.

2 . It ___________ last night, for the road was very muddy.

A．would have rained

B．must have rained

C．should have rained

D．must rain

3 . 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.

4 . －She looks very happy. She ___________the exam.
－I guess so. It's not difficult after all.

A．should pass	B．can pass
C．must have passed	D．might have passed

5 . You _____ something great, otherwise you wouldn’t have got the promotion.

A．should do	B．must do
C．should have done	D．must have done

6 . --- It was a relief when the kids were found.
--- Yeah. Their parents _____ have been very worried while they were lost.

A．need	B．should
C．must	D．might

7 . My phone ________ have been stolen while I was taking a bus. I can’t find it anywhere.

A．can	B．must
C．should	D．would

8 . — Hey, the washing up has been done!
— That ______ Cynthia．She’s always helpful.

A．need have been	B．could have been
C．should have been	D．must have been

9 . －When I first got to Harvard, my terrible English was a burden to me.
－Oh, dear, it ________ a struggle for you to keep up with other students.

A．might be	B．can be
C．should have been	D．must have been

10 . —It’s amazing that Beijing and Zhangjiakou have won the bid for the 2022 Winter Olympics!
—Sure it is! The government ________ have made great efforts!

A．could	B．should
C．might	D．must