The amount of money _____ for the ten provinces in southern China suffering the snowstorm was soon collected．
| A．to need | B．needing | C．needed | D．which needed |
They must have been enjoying themselves there, otherwise they _______ so long.
| A．can’t have stayed | B．wouldn’t have stayed |
| C．needn’t have stayed | D．couldn’t stay |
If I ever decided to quit, then nothing my parents or my coaches_____ say_____ change my mind. It's my life, not theirs.
| A．could; would | B．could; should |
| C．would; must | D．would; should |
His failure in the experiment suggested that he _______ his teacher’s proper instructions.
| A．should not have followed | B．should not follow |
| C．mustn’t have followed | D．hadn’t followed |
— The woman biologist stayed in Africa studying wild animals for 13 years before she returned.
— Oh, dear ! She ______ a lot of difficulties !
| A．may go through | B．might go through |
| C．ought to have gone through | D．must have gone through |
The World Wide Web is sometimes jokingly called the World Wide Wait because it ______ be very slow.
| A．should | B．must | C．will | D．can |