7. —When shall we go to watch the basketball match in the sports centre?

—Not until the work (complete) tomorrow.

6. — you (hand) in the report yet?

— Yes,I put it on your desk shortly after lunch.

5. Hurry up if you need to go to the toilet. The plane (take) off in a minute.

4. The waste (separate) into different groups before being thrown into the bin.

3. How boring it is (listen) to such a useless report!

2. If no paper is used in business,at least one million tons of paper (save) .

三、动词填空(10%)

1. How often the Olympic Games (take) place?

() 20. —You’d better not eat too much salt. It's bad for your health. — .

   A. Not at all   B. You’re welcome

   C. It doesn’t matter   D. Thanks for your advice

() 19. The task in an hour. Then we can go home and have a good rest.

   A. was finished   B. will be finished   C. has been finished   D. can't be finished

() 18. John's flat was very dirty and he was told by his mother .

   A. clean it up   B. clean up it   C. to clean it up   D. to clean up it