I tried _the window,but that didn't help!I still felt cold.为什么用closing不用to close

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I tried _the window,but that didn't help!I still felt cold.为什么用closing不用to close
I tried _the window,but that didn't help!I still felt cold.为什么用closing不用to close

I tried _the window,but that didn't help!I still felt cold.为什么用closing不用to close
to do 表示要做什么事情,提示 表示 事情已经发生了,就不应该是要做
doing 是已经做过了,所以选它