16.. This dress is prettier, but it costs ______ that one.

a. twice more than　　 b. twice as much as　　　

c. as much twice as　　 d. twice so much as

15.----　　 　it is to swim in such a fine weather.

　 ----Yes, I really enjoy it.

A. What a fun B. How fun　 C. What fun　 D. How funny

14.I believe that she is a good student ________?

A. do I　 B. don’t I C. is she　 D. isn’t she

13.(山东卷32). Helping others is a habit, _______ you can learn even at an early age.

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

7.(陕西卷12). The cost of renting a house in central Xi’an is higher

than ____ in any other area of the city.

A. that　　 B. this　　　 C. it　　　 D. one

21.(全国II 14). The doctor thought ____ would be good for you to have a holiday.

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

20. I don't know when he ______, but when he ____, I'll let you know.

A. will come/comes　 　 B. comes/will come　　　　　

C. comes/comes　 D. will come /will come

19.. The air liner from Beijing _____ at 3:00 p.m.

A. is about to arrive　 B. has arrived 　　 C. arrives D. is going to arrive

18. Our teacher told us that the earth _____ from west to east.

A. turns 　　　　　　 B. turn 　 C. has turned 　　　　 D had turned

17. "Hurry up, you ______ on the phone. " "Oh, I'm coming. Thank you. "

A. are wanted 　 B. are being wanted 　　 C. want 　 D. are wanting