21.—___ does Tom watch TV?
—At 8：00 in the evening.
C.What's time D.When time
22.—Where does your brother work?
—He works ____ a radio station.
A.on B.in C.of D.at
23.I usually read English ____ six o'clock ____ six thirty in the morning.
24.Bob is a good student.He is ____ late for school.
A.always B.usually C.often D.never
25.(2014，扬州)—Do you like ____ film Where Are We Going，Dad?
—Yes，it's ____ interesting film!