单项选择从各小题所给的选项中选出最佳*。                                  ...

问题详情：

单项选择 从各小题所给的选项中选出最佳*。                                                     

Robert is only ______8-year-old boy, but he is good at playing _____ piano.                                                                                                             

  A. a; the                     B. an; the                         C. a; /

【回答】

B

知识点：冠词

题型：选择题