Mr Black decided to give up his farm and devote all his time to______ those children living on the streets.
| A．help | B．helping | C．be helping | D．being helped |
—Do you think George has passed the driving test?
—No. If so, he ________ his car to our college yesterday.
| A．would drive |
| B．drove |
| C．would have driven |
| D．had driven |
I _______ myself more—it was a perfect day.
| A．shouldn’t have enjoyed |
| B．needn’t have enjoyed |
| C．wouldn’t have enjoyed |
| D．couldn’t have enjoyed |
—Must I return this magazine within one week?
—No, you ________.
| A．didn’t have to |
| B．mustn’t |
| C．hadn’t better |
| D．shouldn’t |
You ________ practise the drums while the baby is sleeping.
| A．needn’t |
| B．mightn’t |
| C．mustn’t |
| D．won’t |
As it turned out to be a small house party, we ________ so formally.
| A．needn’t dress up |
| B．did not need have dressed up |
| C．did not need to dress up |
| D．needn’t have dressed up |