A. whether B. after C. how D. unless

12. _____ the Internet is of great help, I don't think it's a good idea to spend too much time on it.

A. If B. While C. Because D. As

13. -- Are you ready for Spain ?

-- Yes , I want the girls to experience that ___ they are young.

A. while B. until C. if D. before

14. I used to love that film ______ I was a child, but I don't feel it that way any more.

A. once B. when C. since D. although

15. There were some chairs left over _____ everyone had sat down.

A. when B. until C. that D. where

16.I like to have my photo taken _______ there are mountains and rivers.

A. that B.where C. before D. when

17. When the movie stars entered the hall, nearly all of the audience _____ and cheered.

A. rose at their feet B. rose their feet

C. rose to their feet D. raised to their feet

18. She's worried that she won't have enough money to live on when she ____her company at 55.

A. resigns from B. retires from C. resigns D. retires

19. Hong Kong, _____ Shanghai, is a world-famous city in China, which attracts many foreigners to invest.

A. together with B. as well C. and D. also

20. Was it his sense of humor ____ helped him become popular among his students?

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

21. -The contest will take place next week.

-Can you be more ?

-Yes, it will be on Saturday morning.

A. special B. specific C. particular D. proper

22. -His father used to be the mayor of the city.

- . What is important is whether he has the ability to do the job well.

A. It's up to you B. That depends C. Not at all D. That's not the point