Annais        middleschoolstudentinChongqing.A.a11year...

问题详情：

 Anna is         middle school student in Chongqing.

A. a 11 years old               B. an 11-year-old

C. an 11-years-old              D. an 11-year-old

【回答】

D

知识点：构词法

题型：选择题