一、单项填空（15小题，每小题1分，共15分)
从每小题所给A、B、C、D四个选项中选出最佳选项。
( ) 1. – Where’s ______ baseball? -- It’s under my bed.
A. a B. an C. the D. /
( ) 2. -- Would you like to go to see the basketball match this evening?
-- I'd like to, _____ I have to stay at home playing the piano.
A. and B. but C. so D. because
