Peopleusethermosesforkeepingwaterwarm.（被动语态）Thermosesareusedforkeepingwaterwarm_________.
2021-12-25 58次 反馈错误 加入收藏 正确率 : 100%
题目内容：
People use thermoses for keeping water warm .（被动语态）
Thermoses are used for keeping water warm ___ ___ ___.
优质解答
by human being
本题链接：
