---May I surf the Internet tonight?
--- No, you ______. You must do the exercises.
| A．needn’t | B．won’t | C．mustn’t | D．don’t |
I won the first prize and you can imagine how excited I was when the Mayor ________ me with the reward.
| A．provided | B．supplied |
| C．presented | D．charged |
--The weather has been very hot and dry.
--Yes. If it had rained even a drop, things would be much better now! And my vegetables .
| A．wouldn't die | B．didn't die |
| C．hadn't died | D．wouldn't have died |
You have to be accurate in this job，because a small mistake can make a big ________.
| A．difference | B．difficulty |
| C．trouble | D．change |
They had their hearingby the loud noise of machines.
| A．injured | B．wounded | C．hurt | D．harmed |
My sister met him at the cinema yesterday afternoon, so heyour lecture.
| A．couldn’t have attended | B．needn’t have attended |
| C．mustn’t have attended | D．shouldn’t have attended |