單項(xiàng)選擇題
The policemn cme up to the house, whose door ws open, _____ there for while,nd went in.to
sThe policemn cme up to the house, whose door ws open, _____ there for while,nd went in.to stnd B.stnding C.stood D.stndA.to standB.standingC.stooD.stand