Question

【题目】My best friend is ____.She has ____ sister.

A. thirteen years old; an eight-year-old

B. thirteen year old; an eight year old

C. thirteen-year-old; an eight-year-old

D. thirteen-years-old; ah eight years old

Answer 1

【答案】A

【解析】句意“我最好的朋友13岁。她有一个8岁的妹妹”。13 years old13岁，做表语或状语，8-year-old 8岁的，做定语，故选A。