13. You don’t use the Internet very often,________ ? A. are you B. haven’t you C. don’t you D. do you
14. He thinks that ________ on the Internet is a waste of time. A. chat B. chatting C. chater D. to chat
15. She said I _________ learn harder _________ pass the exam. A. had/ in order to B. should/ so as to C. must/ in order D. will/ so as to
16. He told me that he wasn’t ________ about the next meeting. A. excite B. exciting C. excitement D. excited
17. Everyone must take part in _________ deforestation. A. prevent B. to prevent C. preventing D. prevented
18. There is a football match ............. 6 pm and 8pm. A. at B. between C. from D. after
19. They are ........... by about 640 km of the sea. A. separated B. separate C. separately D. separating
20. How about ............... to the exhibition ? A. going B. go C. goes D. to go