20. Our food and service are better than ______ used to be.

　　 A. it　　 　B. we　　　 C. they　 D. them

19. I want that new coat but ______ is too expensive for me at present.

　 A. which　　 B. one 　　　　C. it　　 　　　D. what

18. There was a lot of rubbish on the floor so I asked Jack to sweep ______ up.

　 A. her　 　　　B. it 　　　　C. them 　　　　D. what　

17. The teacher told the students _______ .

　　 A. why to learn English important

　　 B. why was it important to learn English

　　 C. Why it important to learn English

　　 D. Why it was important to learn English

16.- Who came to see you last?

　 - ______ was an old friend of mine.

　　 A. That　　 B. This　　 C. There　　 D. It

15. ______ seems little different between the two words.

　 A. It　　　 B. This 　　　C. That　　 D. There

14. ______ now pretty late, we took candles and went upstairs.

　 A. Being　　 B. For　 　　C. For being 　　　D. It being

13. It______ Mary and Tom that I saw in the street.

　　 A. was　 B. were　　 C. are　 　D. will be

12.-Will they come to the meeting?

　 -________.

　　 A. I know so　 　　　B. I am sure so.　　　 C. I am sure of it. 　　D.I question it

11. - Have you written a letter to her ?

　 - No, but I’m going to write _______ tonight.

　 　A. it　 　B. that　 　　C. those　 　　D.one