Rewrite: I really must go home now (for)

rewrite the second sentence so that it has a similar meaning to the first one:
1. i really must go home now(for)
- it's time....home
2. you ought to do some work now(time)
- it's....work
3. at his age, he really shought get married(he)
- it's high time...married
4. we must say goodbye now (say)
- it's time ..goodbye
5.you'd better finish your homework as soon as possible(finished)
it's time...homework