Ⅰ.单词识记 1．__________adj. correct or suitable for a particular time, situation, or purpose 2．________n．someone who plays the piano 3．________ adj. without any writing, print, or recorded sound　 4．________n．a person or company that pays for a show, broadcast, sports event etc especially in exchange for the right to advertise at that event

appropriate　

pianist

blank　

sponsor