来自申亚芳的问题
OfthetwocarsthattheSmithshave,thePlymouthis,withoutanyquestion,______.a.thecheapesttorunb.thecheapertorunc.cheaperd.morecheaper
OfthetwocarsthattheSmithshave,thePlymouthis,withoutanyquestion,______.
a.thecheapesttorunb.thecheapertorunc.cheaperd.morecheaper

