Excuse me ,sir. You ______ open the door before the train stops.
| A．mustn’t | B．needn’t | C．may not | D．don’t have to |
– Jim enjoys listening to pop music. _______________. .
| A．So does Helen. | B．Also is Helen | C．Helen likes also | D．So Helen does |
Don’t leave the room _____ the light on .
| A．in | B．on | C．about | D．with |
Your father used to work in the factory,________?
| A．did he | B．didn’t he | C．does he | D．used he |
I used to spend much time ___ TV at home.
| A．watch | B．watching | C．to watch | D．watches |
We can’t afford _____ such a high price .
| A．to pay | B．paid | C．pay | D．pays |