1．You are never too young _________ doing things.
A. to starting B. start C. to start D. starting
2．—Where does your brother study? —He studies in ________ university.
A. a B. an C. the D. /
3．We students go to school Monday to Friday.
A. from B. to C. with D. from to
4．Pricesmart is the supermarket. It has really the best service.
A. bad B. good C. worst D. best
