Выберите прилагательное в соответствующей степени сравнения.
1. It’s (easy, easier, the easiest) to phone than to write a letter.
2. Sydney is (large, larger, the largest) city in Australia.
3. Money is important, but it isn’t (important, more important, the most important) thing in life.
4. Italy has (old, older, the oldest) population in the world.