12. Mary can play the t________ and the piano. 13. I cant sing, b________ I can play the violin. 二. 单项选择。（22分） ()14. Can he ________ well? A. sing B. to sing C. sings D. singing ()15. She can play ________ chess. A. / B. a C. an D. the ()16. ―Can you play the guitar? ―No, I ________. A. neednt B. mustnt C. couldnt D. cant ()17.My brother doesnt like playing basketball ________ watching TV. A. and B. but C. or D. so ()18. We want three good musicians ___ rock band. A. to B. join C. for D. at ()19. Please call me ________ 4572354. A. in B. at C. about D. with ()20. He helps his parents _____ the housework. A. with B. in C. at D. on ()21. Lily ____ English very well ____ she doesnt know Japanese. A. speaks, but B. talks, but C. speaks, and D. talks, and ()22. Who wants to ________ the art club? A. take B. join C. join to D. go ()23. _____ he can help you. A. Maybe B. May be C. Does D. Is ()24. Lets go and play _____ ping-pong. I dont want to play _____ violin.