№1. Write the correct form of the adjective in brackets.

This is Tony Pratt and his sister, Fiona. Tony is e.g. taller (tall) than Fiona, is 1)(old) than him. She is the 2)(old) student in her class. They both like running, but Tony is 3)(fast) than Fiona. In fact, Tony is the 4) (fast) boy in their school. Sometimes they argue, but Tony thinks Fiona is the 5) (good) sister in the world.