选什么?31.Heoughttogobyplane,_____heA.shouldn’tB.wouldn’tC.shouldD.would32.Lovelyweather!___________?A.Yes.Youareright.B.Yes,isn’titC.No,itisD.No,youarewrong33.----------YoumustdoasItellyou.----------Oh,Imust,___

　　选什么?

　　31.Heoughttogobyplane,_____he

　　A.shouldn’tB.wouldn’tC.shouldD.would

　　32.Lovelyweather!___________?

　　A.Yes.Youareright.B.Yes,isn’titC.No,itisD.No,youarewrong

　　33.----------YoumustdoasItellyou.

　　----------Oh,Imust,____________I?

　　A.shouldB.mustn’tC.oughtD.must

　　34.Wemuststartearlier,__________we?

　　A.needn’tB.mustn’tC.don’tD.mustn’t

　　35.YoumusthavestudiedEnglishformanyyears,_________you?

　　A.didn’tB.haven’tC.needn’tD.mustn’t

　　36.Shemusthavearrivedthereyesterday,__________she

　　A.didn’tB.hasn’tC.needn’tD.mustn’t

　　37.Wemustn’tbelate,__________we?

　　A.mustB.mayC.areD.A&B

　　38,Ineedn’tshowherthekeystothequestion,________

　　A.mustB.needC.canD.do

　　39.WeneedtopracticespeakingEnglishmoreoften,___________we?

　　A.mustn’tB.needn’tC.can’tD.don’t

　　40.Ihavetoworkthisafternoon,__________A.don’tC,haven’tD.do