26. With the help of the smart phones, you ____ video chat with your friends on the phone.

　　 A. can　　　　　 　B. must　　　　　　 　　C. need　　　　　　　 D. should

25. — Sam, you don’t work hard at geography.

　 — My dad says that the world is changing every day, 　　　　I decide to wait until it stops.

　 A. because　　　　 　 B. while　　　　 　　　　　 C. if　　　　 　　　 　D. so

24. — How much of his speech do you think you have understood?

— 　　　　　　. I wish I had worked harder.

A. Quite a few　　　　　　 B. Very few　　　　　　　　　 C. Next to nothing　　 D. Quite a lot

23. Not everyone knew about the Hong Kong singer Deng Ziqi, some even thought she was nobody, but she____________ to be a great singer and won a lot of fans.

　 　A. turned on　　　　 B.　 turned off　　　　 C. turned to　　　 　D. turned out

22. I listened to Professor Chen-Ning Franklin Yang’s lecture about his study and physics, but I failed to get its key ______ .

A. words　　　　　 　 B. notes　　　　　　 　 C. messages　　　　 　　 D. points

21. --Excuse me, teacher, can I ask you something about the last class? I didn’t quite understand it.

--Sure! Please feel _________to ask me anything!

A. fine　　　　 B. free　　　　　 C. OK　 　　　　　　　 D. right

20. --Excuse me, can I have this seat, please?

　 --I’m sorry, but it’s_______.

　　 A. used　　　　 B. sat　　　　　 C. taken　　　 　　　D. got

19. —You see, China is becoming stronger and stronger now.

—Yes. That’s why Chinese _____ in more and more schools out of our country.

A. are taught　　 B. has taught　　 C. is taught　 　　　D. have taught

18. The two brothers didn’t quite get along well _______the past, but now they are like peas and carrots.

　 A. with　　　　 B. in　　　　　 C. on　　　　　 　D. since 　

17. ______ English is ______ useful language.

　 A. A , an　　 　　　B. / , a　　 　　　C. The , an　 　　　　D. / , an