Buildingahouseisa的精选

问题详情：完形填空阅读下面短文，掌握其大意，然后从各小题所给的四个选项中选出最佳选项。Buildingahouseisanoperationwhichcostsquitealotofmoney．Supposeyouplanto 1  ahouse，yourfirststepistofindasuitablepieceof...