( )1. Lily practices playing________piano every day, however her brother often plays ________basketball.
A. the; the B. a; a C. the; 不填
( )2. —A pair of sports trousers? Well, what ________ would you like, young man?
—Large, please.
A. size B. price C. color
( )3. —Who helped you work out the math problem?
—________. I worked it out alone.
A. Anybody B. Somebody C. Nobody