Unit 10 单元测试. 单项选择(15分)( )1. My sister likes playing the guitar, but she cant play _. A. nice B. good C. well( )2. Are you good _ swimming? Yes, and I think I can help kids _ it. A. with; in B. with; with C. at; with( )3. He wants _ the English club. A. to join B. to beC. be in( )4. My father cant play _ basketball. He can play _ piano. A. the; theB. /; the C. the; /(