---How often are the Olympic Games held？ --- four years.
| A．Every | B．Each | C．In | D．For |
Diaoyu Islands _____ China ever since ancient times.
| A．belong to | B．belong in |
| C．belong under | D．belong with |
--______ interesting the storybook is!
--Yes. I have read it twice.
| A．What | B．What an | C．How | D．How an |
Each year quite a lot of food ______ around the world. It’s really time for us to do something.
| A．was wasted | B．is wasted |
| C．wasted | D．will be wasted |
Everyone except Tom and John ____ there when the meeting began.
| A．are | B．is | C．were | D．was |
—May I smoke here?
—No, you ______. This is a no-smoking room.
| A．needn’t | B．mustn’t | C．couldn’t | D．wouldn’t |