it's time —— sleep是填to还是填for急!
问题描述：
it's time —— sleep是填to还是填for急!
答
to
it's time to sleep
或者it's time for you to go to sleep
答
选to 。这次固定用法
答
it is time (for sb) to do sth.
答
it's time to go for sleeping
答
to
答
To