Answer:
1) The more comfortable the room is, the better you feel in it.
2) That was the most exciting film I'd ever seen.
3) The more you know, the more you forget.
4) This month Caroline has worked the worst of all, though actually she works the best of all the pupils of her class.
5) This work is worse than you did last week.
6) Please talk a bit quieter and less aggressively.
7) We walked farther than we had planned.
8) January is the coldest month of the year.
9) He worked harder and harder as the end of the term came nearer.
10) The London underground is the oldest in the world.
Step-by-step explanation: