31．You　　 find it so hard to write the composition now if you had observed life carefully

A．don't　　 B．didn't　　 C．wouldn't　 D．mustn't

30．-Why didn't you answer my phone just now?

　　 -Sorry．I　　 　　Shenzhou VII being lunched on TV and didn't hear the phone．

A．have watched　　 B．watched　　 C．was watching　 D．would watch

29．-Will you stay for supper?

　　 -Sorry，I　　 ．My father is coming to see me．

A．mustn't　　 B．can't　　 C．needn't　 D ．won't

28．-It was raining hard last night and my umbrella got broken．

　　 -　　　　

A．So was mine　　 B So mine was　　 C．So did mine　 D．So mine did

27．The problem is　　 we should do　　 solve the serious economic problem in America．

A．what，to help　　 B that，and help　 　C．how，help　 D．why，and help

26．What he suggested is that the rest　　 from the place．

A．would not be moved　 B．not be moved　 C．was not moved　 D．had not been moved

25．Earth, sand and stones block the river，with its water level coming up；thus a quake lake(堰塞湖)　　　　　

A．comes into being　　 B．is put into reality　　 C．is put up　 D．is broken

24．An army spokesman stressed that all the soldiers had been ordered　　　　 clear warnings before firing any shot．

A．being issued　　 B．to be issued　　 C．to issue　 D．to have issued

23．Loving our motherland　　　 putting the interests of the country above everything，　 one's own life．

　　 A．consists of，including　　 B．consists in，included

C．consists of．included　　 D．consists in，including

22．-I've always wanted to be a teacher．

　 -　　　　　　　

　　 A．Really? Can it be true?　　　　　　　 B．How nice!

C．That's what no one else wants to do．　 D．Congratulations!