They made the machines in1980（改为被动语态）

来源：学生作业帮编辑：百度作业网作业帮分类：英语作业时间：2024/04/27 22:48:51

They made the machines in1980
（改为被动语态）
The machines were made in 1980 (by them).
宝贝勤学好问,天天进步!
再问：不是is吗
再问： were 还是 was 阿
再答：不能用is，因为1980是过去的时间，不是现在时。

machines是复数，所以用were，不用was。

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