We have two rooms ________， but I can't decide ________.
| A．to live; to choose which one |
| B．lived; choose which one |
| C．to live in; which one to choose |
| D．live; which one |
--- Lin Tao, can I use your English dictionary?
--- Sure. But you _______ return it before the class.
| A．must | B．can |
| C．may | D．would |
--- What do you think of pollution of the big factory?
--- It’s a serious problem. We should _____ all the people to do something for it.
| A．put up | B．call up |
| C．set up | D．give up |
There is little water in your cup, ________?
| A．isn’t it | B．is it |
| C．isn’t there | D．is there |
--- What are you doing here, Mrs. White?
---I'm waiting for my son. He________ back from school.
| A．hasn't come | B．won't come |
| C．doesn't come | D．didn’t come |
--- Why are you taking a bag with you?
--- I’m going to buy something. The supermarkets don’t _____ free plastic bags to shoppers to protect the environment.
| A．take | B．show |
| C．provide | D．carry |