Question

【题目】Kate is girl. She's very happy at school.

A. a 18-year-old B. an 18-year-old

C. an 18-years-old D. a 18-years-old

Answer 1

【答案】B

【解析】

试题分析：句意：凯特是个十八岁的女孩。她在学校很快乐。此题考查数词，带有连字符的中间的名词是单数，可以作定语。此题考查数词。根据句意，应选B。