Sit down,please! _____.
| A．Yes | B．Sit down |
| C．Thank you | D．That’s all right. |
—Can I walk across the road now, mum?
—No, you ________.You have to wait until the light turns green.
| A．couldn't | B．shouldn't |
| C．mustn't | D．needn't |
—________ nice dress it is ! —Thank you!
| A．What a | B．What | C．How | D．How a |
—I think ________ good to study with a group.
—I agree with you.Group work makes us study better.
| A．that | B．it | C．its | D．this |
He suggested ________ shopping.
| A．going | B．went | C．goes | D．go |
Have you decided when ________ for London ?
| A．will you leave | B．you will leave |
| C．are you going | D．you are going |