来自吉守龙的问题
1.Mr.Smithworks____anoffice.A.onB.withC.inD.to2.Peoplebuilbridgestogo_____thebigriver.A.throughB.crossC.toD.across3.Heswims_____therivereveryweek.A.underB.overC.onD.in4.Canyoucome_____9a.m._____Thursday?A.ai,onB.in
1.Mr.Smithworks____anoffice.A.onB.withC.inD.to2.Peoplebuilbridgestogo_____thebigriver.A.throughB.crossC.toD.across3.Heswims_____therivereveryweek.A.underB.overC.onD.in4.Canyoucome_____9a.m._____Thursday?A.ai,onB.in,onC.at,inD.at,at5.I'mafraid_____hecannotseeyounow.A.andB.thatC.ofD.them
