13.2 2hotter 3more expensive 4worse 5farther 6more difficult 7wetter 8drier 9 shorter 13.3 1a bigger car 2a more modern house 3taller than you 4harder 5more comfortable 6better 7nicer 8heavier 9more interested 10warmer 11better 12bigger 13more beautiful 14sharper 15 more polite