来自胡宇群的问题
【OfthetwocarsthattheSmithshave,thePlymouthis,withoutanyquestion,______.A.thecheapesttorunB.thecheapertorunC.cheaperD.morecheaper】
OfthetwocarsthattheSmithshave,thePlymouthis,withoutanyquestion,______.
A.thecheapesttorun
B.thecheapertorun
C.cheaper
D.morecheaper
