Question

【题目】He is_____ and he has an _____ sister.
A.ten years old, 8–year-old
B.ten-year-old, ten years old
C.ten-years old, 8–year-old
D.ten year old, ten years old

Answer 1

【答案】A
【解析】句意：他10岁了，他有一个8岁的妹妹。第一空表示年龄用数词+years old；第二空是复合形容词修饰sister，作定语，用“数词-year-old”，注意year不加-s。故选A。