【wehavekeptalotofhistorybooksinourschoollibrary.(改为被动语态)Alotofhistorybooks________keptinourschoollibrary.】
2021-12-30 57次 反馈错误 加入收藏 正确率 : 100%
题目内容：
we have kept a lot of history books in our school library.(改为被动语态)
A lot of history books ____ ____ kept in our school library.
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