I ____ the radio before I went out yesterday.A.turn on B.turned o_英语解答

I ____ the radio before I went out yesterday.A.turn on B.turned on C.turn off D.turned off

人气：238 ℃　时间：2020-05-05 06:52:01

解答

D 昨天我出去之前关掉了收音机
turn on是打开
turn off是关掉
因为是昨天,所以用过去式