Open the brackets: a\ mary is a \ good \ student than lucy. b\ the thames is \ short \ than the volga. c\ spanish is \ easy \ language. d\ today is as \ cold \ as it was yestersay. e\ january is the \ cold \ month of the year. f\ my sister speaks english \ bad \ than i do. g\ she is not so \ found \ of sports as my brother is. h\ a bus is \ fast \ than a tram.