C1: KEY OF THE LAST EXERCISE (future continuous, future perfect)

1.- By tomorrow, we will have been married for 20 years
2.- The London-Brussels flight is due to arrive at 2
3.- The government is to pass a law prohibiting guns
4.- I´ll be seeing John, so I can speak to him (NOT A VERY GOOD EXAMPLE)
5.- By July, we will have been living here for 20 years
6.- The committee is due to meet with the owners
7.- I imagine Roger will put up his Christmas decorations in Novenber
8.- My son is going to be 18 years old next March