We built a new bridge over the river last year 如何改被动句?

We built a new bridge over the river last year 如何改被动句? What should we do if we want to develop our village?I think a lot of new roads________---A have built B must be built C must built D must build 我觉得选B.你们觉得呢 A new supermarket -----here.We hope it will be finished next monthA.will be building B.of all time C.has been built D.is being built We have built another new building in ----------was our playground.a.that b.what c.where d.which 说明原因 a new gymnasium is being built in our neighborhood is being built 为什么不用built为什么不用is built ( )Another new shopping mall____last month nar my house.A.built B.was built C.has been built D.is built What should we do first if we want to develop our village?A lot of new roads ( ),I think.A must build B have to build Cmust be built D have built As we approached the work site,the woAs we approached the work site,the workers were seen______the new house.A.buildingB.buildC.builtD.to built what we should do first if we want to develop our village?a lot of new roads____ ,i thinka:must built b:have to built itc:must be done builtd:have builting 为什么 A new road built outside my house改错 We have a new He said a new hospital ( ) in two weeks.a.will be built b.would be built c.had built d.was built答案是什么,又是为什么呢? A new shopping mall____near my home in five years.A.has been built B.is built C.was built D.will be built 选哪个为什么 A new library （ ）in our university last year.A.built B.is built C.was built D.has been built What happened in that new area?New houses __recently over there.A are built B build C have built D have been built应该选哪个?为什么? What iS happening in the new area?New houses ___ recently over there.A are built B built C have built D have been builtover there神魔异思 When we returned from our vacation,our next-door neighbors were ______ a new garage built.A.having B.going C.making D.putting(1)这里的答案是A,为什么不能选C?(2)再就是句末garage built 这里的动词built起点什么作用? a new school ______these days.A is building B is built C will build D was built