• 1. (2020·石阡模拟) —How old is Kangkang?

  —He is ________ and he has an ________ sister.

  A . 13-year-old; 10 years old B . 13 years old; 11-year-old C . 13 years old; 10-years-old D . 13-years-old; 11-years-old