they built the old house over one hundred years ago改为被动语态
问题描述：
they built the old house over one hundred years ago改为被动语态
答
The old house was built over one hundred years ago (by them).
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答
宾语提前，谓语改为被动即可The old house was built by them over one hundred years ago
答
The old house was built by them over one hundred years ago
答
The old house was built over one hundred years ago.
祝你学习进步，更上一层楼！ (*^__^*)
不明白的再问哟，请及时采纳，多谢！
答
the old house was built by them over hundred years ago
they 是主体,house客体,变被动 客体变主体,主体变客体,一般过去式 用 was,were + done ,house 单数,用was
答
The house was built by them over one hundred years ago.
答
the old house was built one hundred years ago by them