问题描述：
初三英语单项填空
1.Doyouknowwho______thecomputer?
A.inventB.inventsC.inventedD.inventing
2.--Hasyourteachermovedintothenewbuilding?
--Notyet.Thebuilding______.
A.beingbuiltB.isbuildingC.isbeingbuiltD.isbuilt
3.Whotakesmypen_______?Ican'tfindit.
A.byaxxidentB.bymistakeC.byhandD.bychance
4.TheGreatWall______byvisitorsallovertheworldeveryyear.
A.arevisitedB.willbevisitedC.isvisitingD.isvisited
5.Atallbuilding_____inthecenterofourcitythisyear.
A.isbuiltB.willbebuiltC.isbuildingD.isgoingtobuild
