麻烦帮看一下定语从句的三道题1.Hebuiltatelescope________whichhecouldstudytheskies.A.throughB.withC.byD.in2.Theage_______whichchildrencangotoschoolisseven.A.atB.byC.onD.in3.Hisbike_______whichhewenttowork

　　麻烦帮看一下定语从句的三道题

　　1.Hebuiltatelescope________whichhecouldstudytheskies.

　　A.throughB.withC.byD.in

　　2.Theage_______whichchildrencangotoschoolisseven.

　　A.atB.byC.onD.in

　　3.Hisbike_______whichhewenttoworkwasstolenlastnight

　　A.byB.onC.rideD.for

　　各选什么,为什么?

　　再查了下资料，我觉得1.A/B都对2.A容易选B3.A/B