30. It is reported that the police will soon ____ the case of two missing children.

　 A. look upon　　　　 B. look after　　　 C. look into　　　 D. look out

29. ------- What is the price of petrol these days

　 -------Oh, it ______ sharply since last month.

　 A. is raised　　　　 B. has risen　　 C. has arisen　　　　 D. is increased

28. At present, one of the arguments in favor of the new airport ________ that it will bring a lot jobs to the area.

　 A. is　　　　　 B. are　　　　　 C. will be　　　　　 D. were

27. It was _____ he came bank from Africa that year _________ he met the girl he would like to marry.

　 A. when; then　　 B. not; until　　 C. not until; that　　 D. only; when

26. The house I grew up ________ has been taken down and replaced by an office building.

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

25. Some people fear that ________ air pollution may bring about changes in _______ weather around the world.

　 A. /; the　　　 B. the; /　　　 C. an; the　　　　 D. the; a

24. According to statistics, a man is more than twice as likely to die of skin cancer _________ a woman.

　 A. than　　　　 B. such　　　 C. so　　　　　　 D. as

23. The ____________ shoes were covered with mud, so I asked them to take them off before they got into __________ car.

　 A. girl’s; Tom’s　　 B. girls’; Toms’　 C. girls’; Tom’s　　 D. girl’s; Toms’

22. _________ the right kind of training, these teenage soccer players may one day grow into the international stars.

　 A. Giving　　 B. Having given　　 C. To give　　　 D. Given

21. ----Thank you for your MP4 player. I’ll get Mary to take it to you soon.

　----___________. I’ve bought a new one.

　 A. No sense　　 B. No hurry　　　 C. No way　　　 D. No use