第一节：单项选择（20分）
( )1. Fred plays _____ piano after _____ supper every day.
A. the, the B. a, a C. the, / D. /, the
( )2. The problems are difficult to solve. Please give me _____ .
A. some advices B. an advice C. advices D. some advice
( )3. Mr. Brown will arrive _____ Nanjing _____ four by air this afternoon.
A. to, in B. at, at C. to, about D. in, at
