---David，is that man your Chinese teacher?
---It___________ be him．He’s having a meeting．
| A．mustn’t | B．can’t |
| C．needn’t | D．won’t |
This project requires close teamwork.will be achieved unless we work well together.
| A．Something | B．Anything | C．Nothing | D．Everything |
On my waythe mountain village, I found the local houses different from ours.
| A．to | B．by | C．at | D．in |
—Forgotten something ? I can look after your kids if you want to go and get it.
—_________. Thank you all the same.
| A．It's very kind of you. |
| B．Oh, how careless of me. |
| C．I might as well go and get it. |
| D．Well, I can do without it. |
It _____that this method didn't work well.
| A．run out | B．find out | C．turned out | D．worked out |
There is a hole _____ the wall. The wind is blowing in ______the hole.
| A．on; through | B．in; through | C．on; in | D．in; from |