Unit 1 PlaytimeLesson 2同步练习一、单项选择题。( ) 1. Bill can play _____ violin but he can’t play _____ chess. A. the, 不填 B. the, the C. 不填, theD. a, 不填( ) 2. _____ does he want to join our club? A. What B. How C. Why D. Where( ) 3. Victor sings well. He can _____ in...