The UN _____ the documents to save the environment in 2007 and they work well all over the world now.
A. drew up B. built up C. gave up
----Could I borrow your camera?
----______, but please give it back by Saturday.
| A．I am sorry | B．Of course |
| C．Certainly not | D．No,thanks |
-----May I play computer games now?
------No,_____ you have finished your homework.
| A．unless | B．if |
| C．because | D．untill |
----Why do you eat so little?
-----I’m afraid I have to be on a diet. I have_____ a lot.
| A．put up | B．put on |
| C．put off | D．put away |
-----Do you know if Miss wang ______ back tomorrow?
-----If she ______ back, I will call you.
| A．come ,will come | B．will come, will come |
| C．will come,comes | D．came, comes |
----What do you think of this book?
-----I am _____ in this _____ story book.
| A．interested, interested | B．interesting, interested |
| C．interested, interesting | D．interesting, interesting |