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the prices of water have _____for years in beijing.

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/07/18 19:24:21
the prices of water have _____for years in beijing.
A.remain unchanged B.kept unchanged
C.stayed unchanging D.remained unchanging
前面打错了 应是A.remained unchanged
我想知道为什么不能说remained unchanging 或者
kept unchanging
水的价格是没有被改变,要用被动,所以unchanged