I built a house last year.为什么冠词用a而不用the

I built a house last year.为什么冠词用a而不用the 请你指出下面句子last year的成分i built a house last year.i 是主语,built为谓语动词,a house为宾语,last year为什么成分?时间状语?定语? I still remember the old house [ ] last yearI still remember the old house [ ] last year.A where we stayed at B that was built The farmer built a new house last summer.（一般疑问句） I built my house out of wood They had built the house by the time I arrived there last year.如题,初学,望赐教 The house ______ last year belongs to Mr.White.A.built B.building C.to be built D.buids选哪个 为什么其他不对? I live in a big house.In fornt of it grow many tall trees.把这两个句子合并成带定语从句的复合句The museum was built in 1982.Some German friends visited it last Sunday. i moved to a new house last week.对moved to a new house 提问 ( )Another new shopping mall____last month nar my house.A.built B.was built C.has been built D.is built I built the house from scratch啥意思 All of the house＿＿ in the last ten years.A.were builtB.had been builtC.have been builtD.have built求解析 A new road built outside my house改错 The house is built in the s___ of a letter 请教诸位一下啊----是built him a house还是built himself a house呢?为什么啊? Jim plays the piano every day和they built that house last year改被动语态 They built that house last year .Jim plays the piano every day .改为被动态 These wokers built many house last year.该否定句怎么改?