1.PeoplebuilttheGreatWalllongago. TheGreatWalllongago. wasbuilt(bypeople) 2.Whatshappeningoverthere? Anoldhouse. A. ispulldownB.isbeingpulleddown C.ispulleddownD.haspulldown 过去时的被动语态：was/were+done 现在进行时的被动语态：am/is/are+being+done B3.Hehasrepairedthemachinefortwohours. Themachinefortwohours. hasbeenrepaired 现在完成时的被动语态： 4.Anewparkinourhometownnextyear. Really?Ourhometownmustbemorebeautiful. A.willbuildB.willbebuiltC.isbuilt B 一般将来时的被动语态： 5.Wemustcleanourteethtwiceaday. Ourteethtwiceaday. mustbeclea
