It's time to go back.的同义句

问题描述:

It's time to go back.的同义句
第一个回答的,而且全面又正确的,

we should go back······?这位,忘了说下面的题了,是It's time _____ _____.我知道哈,这道题小case啦,可是我这个英语新手没把握这道题······那就 it's time for going back 咯