( )26. Today is ____ day at school.
A. first B. the my first C. my first D. my the first
( )27. The boss made the workers ___ ten hours a day.
A. to work B. work C. works D. working
( )28. —Your sweater looks nice. Is it __ wool? —Yes, it is.
A. made of B. made in C. made for D. made from
