31．More than _______ of the classmates in my class ____ fond of pop music．

　　　 A．two-third, is　 　　　　　　　　　　　　　　　　 B．two-thirds, is　 　　　　　　　　　　　　

　　　 C．second-third, are　 　　　　　　　　　　　　 D．two-thirds, are

30．She will tell us that each of us has a role ______ in making the earth a better place to live．

　　　 A．to have played 　　　　　　　　　　　　　　 B．to play　 　　　 C．to be played　　 　 D．to be playing

29．-How do you think he managed to improve his English in such a short time?

　　　 -______ four hours on it every day．

　　　 A．Because of spending　　　　　　　　　　 B．To spend　 　　　　　　　　　　　　　　

　　　 C．By spending　　　　　　　　　　　　　　　　　　 D．Spending

28．In our ______,anyone ______ breaks the law should be punished．

　　　 A．opinions;that　 B．opinions;who　 C．opinion;he　　　 D．opinion;who

27．Even on a cold day he prefers ______ out to play football ______at home．

　　　 A．going;rather stay　　　　　　　　　　　　　　 　　　　　　　　　　　　　　　　 B．going;to staying

　　　 C．to go;rather than staying　　　　　　　 D．to do;rather than to stay

26．It was in the lab______ was taken charge of by Professor Zhang ____ they did the experiment．

　　　 A．where, that　 B．which, where C．that, where　　 D．which, that

25．-The railway station,please．I have to be there in ten minutes．

　　　 -______,but I’ll do my best．

　　　 A．No problem　　　 B．OK　　　　　　　　　　 C．I can’t promise　　　　　　　　　　　　 D．I can’t do that

24．-Is it for two months ______ they have stayed here?

　　　 -No,it is only three weeks ______they arrived here．

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

23．-I really appreciate______ time to relax．

　　　 -I don’t doubt ______ able to do so．

　　　 A．to have;you to be　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 B．having;that you being

　　　 C．to have;you are　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 D．having;that you are

22．When I was at college I ______　 three foreign languages, but I ______　 all except a few words of each．

　　　 A．spoke; had forgotten　　　　　　　　　　 B．spoke; have forgotten

　　　 C．had spoken; had forgotten　　　　　 D．had spoken; have forgotten