1.The Moscow Underground is the best in the world, I think.
2.Tokio is the biggest of all the cities.
3.In January it is colder than in October.
4.Of all the months July is the hottest.
5.Ben Nevis is the highest mountain in Scotland.
6.The Thames is deeper than the Severn.
7.This picture seems to be the most beautiful at the exhibition.
8.I am busier than my sister is. I have less spare time than she
has.
9.The Browns are richer than we. They have more money.
10.Mike was the worst pupil in our class. I was a bit better.