It is hot here.Would you please keep the window_____(open) cross,across crossing的区别

It is hot here.Would you please keep the window____openning_(open) cross, across crossing
Keep the window openning-----表示让窗户开着的状态

你好
It is hot here.Would you please keep the window(open)------keep do。
cross, across crossing的区别：crossing是名词表示路口。across是介词，而cross是动词，cross可直接用。而across不能，要跟在动词的后面使用。而crossing则是名词用在名词该用的地方。
希望帮到你。

open
解析 keep 加 形容词 表示保持.状态
区别
cross,是动词 横穿过的意思
across是介词 横穿过.
go across===cross
crossing是名词 十字路口的意思