3- a) is prettier than It’s the prettiest b) more courageous Less courageous c) bigger than The biggest d) smarter than The smartest 4- a)shorter than b)as much as c)younger than me and older than my sister d)the most expensive 5- a)School bullying is the worst problem we have b)We all need to have the most positive attitude possible c)Bullying students suffer less when other students oppose bullying d) The worst option is to ignore the problem