30．Her home phone is not working at the moment. Take with you the number 68988449　　　 ________ it is fixed by the time you arrive in her city.

　　　 A．in time　　　　　　　　 B．in case　　　　　　　　 C．in short　　　　　　　 D．in return

29．Xu Benyu, a college graduate, went to teach in an impoverished mountain village in Guizhou Province　　　 he could have stayed in a big city for further advanced studies.

　　　 A．before　　　　　　　　 B．since　　　　　　　　　 C．so that　　　　　　　　 D．when

28．They were very excited when their son　　　 first in the examination.

　　　 A．came up　　　　　　　 B．came over　　　　　 C．came out　　　　　　 D．came across

27．Nowadays people　　　 more and more dependent on computers in both their work and daily life.

26．Chinese President ,Hu Jintao,　　　 a keynote address at South Africa’s prestigious University of Pretoria Wednesday, Feb .7 ,2007.

　　　 A．presented　　　　　　 B．declared　　　　　　　 C．delivered　　　　　　 D．expressed

25. Oh, now _________. You’re supposed to divide 489 by 3.

A. I get it　　　　　　　　　　 　　 　　　　　　　　　　　　　　　　　 B. I’ll take it

C. you’ve made it　　　　　　　　　　　　　　　　　　　 　　　 D. that will do

24. This is where ______ of the Amazon flow out into the sea.

A. water　　　　　　　　　　 B. the water　　　　 　 C. waters　　　　　　　　　 D. the waters