Choose the correct option

1. The concert was
   [more interesting| the most interesting| interestinger] than I thought.
2. This rock band isn't
   [ popular| as more popular|as popular] as it was five years ago.
3. The art gallery was
   [far|further| farer] than it seemed.
4. This actor is much
   [more talented|most talented| many talented] than he used to be in his childhood.
5. This theater is
   [more older|as old|older] than the one we visited yesterday.
6. The colours on the painting are
   [darkest|darker| more darker] than they were in 1986.
7. I think that this film made
   [more lasting|lasting|the most lasting] impression on people's mind.