Who is (tall) person in your family? who is (old) person in your family? who is (young) person in your family? what is (interesting) subject at school? what is (boring) film you have seen this year? who is (popular) actor in your country? who is (bad) singer in your country? which is (good) football team in your country?
the oldest
the youngest
the most interesting
the most boring
the most popular
the worst
the best