1.interesting - more interesting - the most interesting; thin - thinner - the thinnest; cheap - cheaper - the cheapest; easy - easier - the easiest; bad - worse - the worst; beautiful - more beautiful - the most beautiful; lazy - lazier - the laziest; far - farther (further) - the farthest (the furthest); good - better - the best; old - older - the oldest2. 1) My feet are as cold as ice.2) She looks older than her sister.3) I think that he's Chinese.4) Alice is much stronger than her brother.5) Can't you eat faster than that?3.1) A kilogram is less than a tonne and more than a gram.2) Jake is bad at languages, but he's not as bad as I am.3) I get up early, at 6:30, George gets up earlier, at 6:15, and Pam is the earliest at 6:004) Please speak more slowly.5) Karl is the oldest player in the team.4.1) What/which is the highest mountain in Europe?2) We all play badly, but I play the worst.3) Julie has the most interesting job in our office.4) Your house is much nicer than ours.5) Please walk more quickly.