It 's time for bad now.改为同义句-----It's time ( ) ( ) ( )bed now.

It 's time for bad now.改为同义句-----It's time ( ) ( ) ( )bed now.
It 's time for bad now.改为同义句-----It's time ( ) ( ) ( )bed now.

It 's time for bad now.改为同义句-----It's time ( ) ( ) ( )bed now.
It 's time for bed now.改为同义句
It's time ( ) ( ) ( )bed now.
答案：to go to
解析：
It 's time for sth
=It's time to do sth
做……的时间到啦

It's time (to ) (go) ( to)bed now.
go to bed，上床睡觉的意思。

to go to

It‘s time to go to bed now.

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It‘s time to go to bed now. time for bed，该把时间交给床了，go to bed 去床上睡觉。比较通俗的解释

to go to