1 . —The expression on his face suggests he ________ have failed in the competition.
—I guess so. It’s not easy after all.

A．should	B．could
C．must	D．might

2 . —Your friend knows a lot about different cultures in the world .
—Really. He ____________ many places because he likes travelling.

A．must visit	B．may visit
C．must have visited	D．should have visited

3 . She _____ the book sometime in the past as there is no way she could have answered the questions so accurately.

A．ought to read	B．must have read
C．must read	D．should have read

4 . ---She looks very happy. She ______ have passed the exam.
---I guess so. It’s not difficult after all.

A．would	B．should
C．must	D．ought to

5 . —You will never believe that it took us two hours to get to the restaurant.
—Really? You ________ in a traffic jam.

A．needn't have got stuck	B．couldn't have got stuck
C．must have got stuck	D．should have got stuck

6 . —Many boats near the seaside were destroyed by the wind.
—Well, the wind _______ very strong.

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

7 . ---I have looked for my keys everywhere, but I can’t find them.
---Sorry to hear that. You _____ them somewhere.

A．must lose	B．should lose
C．must have lost	D．should have lost

8 . —Yao Yuan, a disabled woman, won the National Championships Cup last week.
—My goodness! She _______a lot of difficulties!

A．may go through	B．might go through
C．must have gone through	D．ought to have gone through