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Who__thetelephoneIt___byAmy.AwasinventedwasinventedBinventWho__thetelephoneIt___byAmy.AwasinventedwasinventedBinventedwasinvented
题目内容：
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优质解答
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）
Who __ the telephone It ___ by Amy .A was invented was invented B invented was invented
优质解答
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