Building dams does change the environment.为什么change前要加does,does是可以的意思吗这句话的意思是修建水坝会改变环境

Building dams does change the environment.为什么change前要加does,does是可以的意思吗这句话的意思是修建水坝会改变环境 How many building does your father e____ What does the building them look like? the ---are ---a tall---.(a.builder,building,building b.builders,build,building c.builders,building,b 英语翻译中文：在过去,主要的解决方案有海水淡化或建造大坝运河.可是,这两种解决方案都存在着一些问题和不足.英文：Major solutions in the past have desalination and the building of dams and canals.However which floor does your friend _____ the building?a.live in b.live in on c.live in in d.live on How many _______（台阶）does the building have building building building The building has twelve floors.(对画线部分提问）__ __ floors does the building have? 英语倒装句练习中的一道选择题The air inside a house or office building often has higher concentrations of contaminants ______ heavily polluted outside air.A.than does B.more C.as more that are.D.like of The air inside a house or office building often has higher concentrations of contaminants .heavily polluted outside air.A.than does B.more C.as some that are D.like of A为什么选A? He used to live in()A a six-storeys building B a building of six floored C a six-floor`s building D a building of six storeys the Eiffel Tower is _______A.a tall old metal building B.a metal old tall building C.an old metal tall building D.an old tall metal building 您的建筑重几何福斯特先生 HOW MUCH DOES YOUR BUILDING WEIGH MR FOSTER怎么样 does peter live in room five,building eight?用过去式,加时间词语改写 The building was () in September ,1989.A build B builds C building D built