、Tom is a top student in our class , How it be that he was a failure in the last exam?
| A．can | B．should | C．may | D．nust |
Teachers be sensitive to the development level of each student so as to help them better.
| A．can | B．may | C．are able to | D．need to |
-- What’s wrong with your pen?
-- The ink ___________ come out.
| A．can’t | B．won’t | C．hasn’t | D．doesn’t |
— May I smoke here?
— No, you ________. Can’t you read the sign “NO SMOKING”?
| A．mustn’t | B．won’t | C．needn’t | D．Don’t have to |
—“Crash diets” make us lose weight fast and I am all into that.
—But it_______better to work out.
| A．had | B．would be | C．wouldn’t have been | D．must have been |
— Is Jack on duty today?
— It ________ be him. It's his turn tomorrow.
| A．mustn't | B．won't | C．can't | D．needn't |
－Are you coming to the English evening?
－I’m not sure. I go to the concert instead.
| A．must | B．might | C．should | D．would |
You _____ her in her office last Friday, she’s been out of town for two weeks.
| A．needn’t have seen | B．must have seen |
| C．might have seen | D．can’t have seen |
--- Guess what! I have got A for my term paper.
--- Great! You _____ read widely and put a lot of work into it..
| A．must | B．should |
| C．must have | D．should have |
This basketball team had lots of excellent players, so its fans never expected that it ____ have failed in the final.
| A．must | B．might | C．should | D．need |