Question

The ________boy is playing chess with his grandfather.

A．8-years-old

B．8 years old

C．8-year-old

D．8 year old

Answer 1

C

试题分析：句意：那个8岁的男孩正在和他的祖父下象棋。这里空格后有名词，所以这里需用的是复合形容词作定语。其结构是数词—名词的单数—形容词。8 years old不能作定语。故选C。