After Tom has a look at his son,he will go to bed.(同义句)

问题描述:

After Tom has a look at his son,he will go to bed.(同义句)
Tom ____ go to bed ____ he has a look at his son.

Tom (won't) go to bed (until) he has a look at his son.
*此句为时间状语从句,go为瞬间动词需要用not.until