Who __ the telephone It ___ by Amy .A was invented was invented B_英语解答

Who __ the telephone It ___ by Amy .A was invented was invented B invent
Who __ the telephone It ___ by Amy .A was invented was invented B invented was invented

人气：460 ℃　时间：2020-04-02 23:41:11

解答

选B,第一个who做主语,用主动,invented是过去式.第二个空,it主语,用被动,用was.invent：发明（动词）