—You should take exercise in your spare time.
—I want to，but the little time I have outside of school is by part-time job.
| A．taken away | B．taken in |
| C．taken out | D．taken up |
Sir, you ________ be sitting in this waiting room. It is for women and children only.
| A．oughtn’t to |
| B．can’t |
| C．won’t |
| D．needn’t |
The train has gone. You two ________ on time.
| A．should come |
| B．must have come |
| C．ought to have come |
| D．shouldn’t have come |
There was plenty of time. She ________ to the station.
| A．mustn’t have hurried |
| B．couldn’t have hurried |
| C．must not hurry |
| D．needn’t have hurried |
Some pirates(海盗)appeared, so they ________ change their route.
| A．must |
| B．should |
| C．have got to |
| D．ought to |
—Must all the passengers in the airbus be foung now?
—No, they ________, because none of them is affected by the flu.
| A．mustn’t |
| B．needn’t |
| C．can’t |
| D．may not |