21. of the two brothers, bill is ______ younger one, and he is a quiet boy, ______ that most adults like very much. a. the; one b. a ; the one c. a; one d. the ; the one 22. ---mom, i’ m going to the graduation dance tonight but i don’ t think i look attractive enough. ---oh, darling, don’ t worry. ______. a. they don’t know what beauty is b. nobody will care about it c. you look perfect the way you are d. impossible is nothing