【BillandSam1middleschoolstudents.Theyarebothfourteen急,BillandSam[1]middleschoolstudents.Theyarebothfourteen[2].TheyareYoungPioneers.Theyare[3]GradeOne.Thereare[4]classesinGradeOne.BillisinClassOne,andSamis】

　　BillandSam1middleschoolstudents.Theyarebothfourteen急,

　　BillandSam[1]middleschoolstudents.Theyarebothfourteen[2].TheyareYoungPioneers.Theyare[3]GradeOne.Thereare[4]classesinGradeOne.BillisinClassOne,andSamisinClassSix.InSam’sclassthereare[5]students.Twenty-fivestudentsaregirls.Thereareforty-threestudentsin[6]class.Twentystudentsareboys.AndTherearethirty-fourYoung[7]inBill’sclass.InSam’sclasstherearethirty[8].BillandSamaregoodstudents,andtheyaregoodfriends,[9].Theyoftenhelpothers[10]schoolthings.

　　()1.A.isB.areC.amD.have

　　()2.A.yearB.oldC.yearsoldD.yearold

　　()3.A.inB.onC.atD.from

　　()4.A.fiveB.fourC.twoD.six

　　()5.A.fourty-twoB.fourty-fiveC.forty-fiveD.fortyfive

　　()6.A.Sam’sB.Bill’sC.SamD.Bill

　　()7.A.PioneersB.pioneersC.PioneerD.Pionear

　　()8.A.oneB.one’sC.onesD.ones’

　　()9.A.twoB.allC.tooD.both

　　()10.A.fordoB.doC.andtodoD.withdo