Choose the correct answer using couldn`t or couldn`t have + a necessary verb

I _______ in a big city. I`d hate it.
1. couldn`t lived
2. couldn`t live
We had a really good holiday. It ______ better.
1. couldn`t have been
2. could been
I ______ that hat. I`d look silly and people would laugh at me.
1. couldn`t wear
2. could have worn
Paul has to get up at 4 o`clock every morning. I _____ up at that time every day.
1. couldn`t get
2. couldn`t have waken
The staff at the hotel were really nice and friendly when we stayed there last summer. They ____ more helpful.
1. couldn`t have been
2. could be
Thank you for your invitation to the party last week, but I _____ anyway. I was away.
1. couldn`t come
2. couldn`t have come