10.
1) Bill is older than Polly.
2) Sarah is younger than Alice.
3) Apple Street is longer than Green Street.
4) Tim's room is bigger than Jane's.
5) It's colder in Murmansk than Moskow in winter.
6) George is happier than James.
7) Helen is taller than Bess.
8) Andrew is angrier than Bob.
9) Margaret's room is cozier than Lizzy's.
10) Spot is more clever than Rex.
11.
1) More interesting.
2) Big.
3) Better.
4) Higher.
5) Lower.
6) Worst/Best
7) The most
8) The narrowest.
9) Weaker.
10) Happiest.