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一道初中英语选择题therehavebeenmanymurders()inthatafricancountrytherehavebeenmanymurders()inthatafricancountrydodoingtododone

题目详情
一道初中英语选择题there have been many murders( )in that african country
there have been many murders( )in that african country
do doing to do done
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答案和解析
被动是用have /has been done主动时用have /has been doing,这道题应是被谋杀,因此选have been done