精选优质文档-倾情为你奉上小学四年级英语下册单元同步练习题一、单选1.The library is _the second floor.A.inB.toC.on.2.That is _ puter room.A.youB.ourC.I3.Is this the art room? _.A.Yes, it is.B.Yes, I amC.Yes, he is.4.Is this a _?A.teachers officeB.teacher officeC.teachers office5.Its time _ lunch.A.toB.onC.for6.Its time _ watch TV.A.forB.toC.on7.Its 10 oclock.Its time to _ .A.go bedB.go to bedC.bed.8._ are your baby pants.A.ThatB.ThisC.