—Do you know _______he came?
—I am not sure. Maybe for the toy car.
| A．how | B．when | C．why | D．what |
Most of the students felt rather disappointed at the English party. They say that it ______ better organized.
| A．had been | B．had to be | C．must have been | D．could have been |
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 |