He put forward his suggestion at the meeting that every means ________ to save the crops before the storm came.
| A．be tried | B．was tried | C．should try | D．tried |
Look at this! It’s broken now! You ________ have been careful!
| A．could | B．must | C．would | D．should |
What a pity! Considering his ability and experience, he ____ better.
| A．need have done | B．must have done |
| C．can have done | D．might have done |
What a pity! Considering his ability and experience，he___ better．
| A．need have done | B．must have done | C．can have done | D．might have done |
The truly homeless are the rich who __ _ their home into a hotel hall．
| A．will turn | B．turned |
| C．are turning | D．have turned |
—George, ___ _ you sing so loudly at such a late hour?
—I am terribly sorry．
| A．will | B．may | C．must | D．shall |
I requested that you the task on time.
| A．finished | B．finish | C．could finish | D．would finish |
----Look,Mr.Hu is on the other side of the street.
----It____ be him.He has gone to Lanzhou.
| A．mustn’t | B．can’t | C．wouldn’t | D．couldn’t |
They demanded that the library _____ open to students during the vacation.
| A．should keep | B．was kept | C．would be kept | D．be kept |
Last night Li Ping watched the football match at home when he ________ his homework.
| A．need have done | B．must haven done |
| C．should have done | D．could have worked |