1.Infaceofthefire,hehesitatedforawhile,______whetherheshouldrushintotheburninghouse.A.tothinkB.thoughtC.thinkingD.andthought2.We______haveclassinthelastweekofFebruary,butI'llletyouknowforsureasthetimeapproaches.A.

　　1.Infaceofthefire,hehesitatedforawhile,______whetherheshouldrushintotheburninghouse.

　　A.tothinkB.thoughtC.thinkingD.andthought

　　2.We______haveclassinthelastweekofFebruary,butI'llletyouknowforsureasthetimeapproaches.

　　A.should'tB.mustn'tC.maynotD.needn't

　　3.MR.Smithdidn'tunderstand______madehissonsoupsetthismorning.

　　A.whatwasitB.whyitwasthisC.howthatwasD.whatitwasthat

　　4.Thenameoriginatedfromthedays______thishousebelongedtothelocalpoliceman.

　　A.whichB.whenC.thatD.what

　　5.______harder,youwouldhavepassedthisexam.

　　A.ifyouhaveworkedB.ifyouworkedC.wereyoutoworkD.hadyouworked