1.　　　 Mary lives in the room, the door _____ opens east.

A. of it　　 B. of which　　 C. of that　　 D. whose

20.　 Pay attention to your _______ (举止) when you are eating with foreign guests.

Answers: 1.pollution 2.professional 3.department 4.environmental 5.characteristic 6.announcement 7.variety 8.electricity 9.reminded 10.calendar 11.photographs 12.emergencies 13.measures 14. satisfied 15. attractive 16.university 17.preparation 18.disagreements 19.Gymnastics 20.behavior

　　　　　　　　　　　　　 　　　　　　MS LIU

19.　 __________ (体操) is many young people’s favorite because of its skills and excitement.

18.　 One of the _______ (分歧) between us is whether we should have sex education in middle school.

17.　 They were cleaning the house, in _______ (准备) for the return of the family.

16.　 Personal computers are of _________ (普遍的) interest; everyone is learning how to use them.

15.　 Beijing will become the most __________ (吸引人的) city in the world in 2008.

14.　 The government is still not ________ (满意) with the living conditions of the farmers.

13.　 We must take _________ (措施) to make sure that all children have the opportunity to go to school.

12.　 The hospital has to treat ______ (突发事件) such as car accidents during travel seasons.