用所给词的适当形式填空.It's too hot inside.Let's keep the windows________(open).You need to keep your eyes_______(close)when doing eye exercises.Boys and girls,please keep our classroom ______(clean).I'm sorry to keep you ______(work) so late.请问keep的具体用法是什么呀?
问题描述：
用所给词的适当形式填空.It's too hot inside.Let's keep the windows________(open).
You need to keep your eyes_______(close)when doing eye exercises.
Boys and girls,please keep our classroom ______(clean).
I'm sorry to keep you ______(work) so late.
请问keep的具体用法是什么呀?
答