Don't leave the water( )while you brush your teethDon't leave the water __while you brush your teeth.A run B running C being run D to run选哪个?为什么没有过去分词可选?

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Don''tleavethewater()whileyoubrushyourteethDon''tleavethewater__whileyoubrushyourteeth.ArunBrunningCbe

Don't leave the water( )while you brush your teethDon't leave the water __while you brush your teeth.A run B running C being run D to run选哪个?为什么没有过去分词可选?
Don't leave the water( )while you brush your teeth
Don't leave the water __while you brush your teeth.
A run B running C being run D to run
选哪个?为什么没有过去分词可选?

Don't leave the water( )while you brush your teethDon't leave the water __while you brush your teeth.A run B running C being run D to run选哪个?为什么没有过去分词可选?
B
Leave当作保持某种状态使用时,后要+
1.现在分词,在时间上表示动作正在进行.作定语,状,补etc.
Don't leave the blinds hanging.别让窗帘就那么挂着.
Don't leave the water running.别让水那么哗哗流着.
2.形容词
Don't leave me alone.别留我一个人.

B
就是你刷牙时别让水龙头开着
此时水正在流逝
run的主语是水
所以用现在分词