it's time to sleep的同义句

it's time to sleep的同义句 it`s time to sleep.（改为同义句） It’s time to sleep.的同义句 It’s time —— —— —— sleep（注：—— —— ——是 It's time to go to bed的同义句 It's time to go to bed .的同义句用It's time for bed . It's time to go back.的同义句 it's time to read books.的同义句 It's time to get up.的同义句是什么? It's time to have dinner的同义句 It's time to have supper.的同义句 it's time to have lunch的同义句 well It's time to sleep 是什么意思?