4、hthavebeen8.We__lastnight,butwewenttotheconcertinstead(09)A.musthavestudiedB.mightstudyC.shouldhavestudiedD.wouldstudy9.It is usually warm in my hometown in March, but it__ be rather cold sometimes.(08,广东)A. must B. can C. should D. would10.What a pity. Consider
5、ing his ability and experience,he___ better.A. need have done B. must have doneC. can have done D. might have done11.She___have left school, for her bike is still here.A .can’t B.wouldn’t C.shouldn’t D.needn’t(08,天津)12.- She looks very happy. She__have passed the ex
6、am.- I guess so. It’s not difficult after all.A. shouldB. couldC. mustD. might13Justbepatient.You__expecttheworldtochangesosoon.(2010)A.can’tB.needn’tC.maynotD.willnot14.You____buyagift,butyoucanifyouwantto.A.mustB.mustn’tC.havetoD.don’thaveto15.-Well,Iforgettobringmydi