--- Did he break it accidentally?
--- No, __________.
| A．with purpose | B．by chance | C．on purpose | D．by mistake |
With so much work on hand, you _____ to see the game last night.
| A．mustn’t go | B．shouldn’t go | C．couldn’t have gone | D．shouldn’t have gone |
If you really want yourself to be in good health, you must ___ always ___ so much.
| A．not; be smoking | B．not; have smoked | C．not; to smoke | D．be not; smoking |
One ought _____ for what one hasn’t done.
| A．not to be punished | B．to not be punished |
| C．to not punished | D．not be punished |
I didn’t see her in the meeting room this morning. She _____ at the meeting.
| A．mustn’t have spoken | B．shouldn’t have spoken |
| C．needn’t have spoken | D．couldn’t have spoken |
You _____ to the meeting this afternoon if you have something important to do.
| A．needn’t to come | B．don’t need come | C．don’t need coming | D．needn’t come |