Two years ago we used that machine to make shoes for children.(改为被动语态)
下面是Two years ago that machine ————shoes for
children.
人气：363 ℃ 时间：2020-03-24 13:31:54
解答
Two years ago that machine (was used to make)shoes for
children
改被动就是把主动的do 改成 be done ,再加上时态
所以 used 就改为 be used
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