you'd better keep the windows ----open恰当形式填空

you'd better keep the windows ----open恰当形式填空
you'd better keep the windows ----open
恰当形式填空

you'd better keep the windows ----open恰当形式填空
open
keepsth+adj.保持.怎么样

wide 开得大一点

you'd better keep the windows widely open