It is a pity your friends isn't at the party

1. It is a pity your friends isn't at the party
==> i wish....
2.they usually wore jeans when they are young
==> they used to......
3 they have biult a new super market this year
==> a new......
4.i'm sory that i don't know what do about the problem
==> i wish.....
5. We last saw our grandmother two years ago 
==> we haven't......
6. You can find flowers in almost every part of the world
==> flowers....
7. I don't have time to go around the city
==> i wish...
8. Mr hieu storted playing computer games in 2015
==> mr hieu......