Make up five sentence using Future Perfect form

I think she' ll have finish ed cooking the pie by dinner time.

The kids will have gone to bed by the time dad comes.

We are having our wedding anniversaryin two days. We will have been together for 20 years.

Will you have cleaned the dishes away by the time John comes back?

Lina won't have manag ed to do that by the evening.

Will you have read all these books by the exam time?