when___,the washing machines still doesn't work.A.turn on B.turne_英语解答

when___,the washing machines still doesn't work.
A.turn on B.turned off C.turning on D.turned on

人气：211 ℃　时间：2019-12-19 09:37:47

解答

d 他的逻辑主语是the washing machines,应该用过去分词表被动.