Question

【题目】He is only _______ boy. He isn’t old enough to take care of himself.

A. a 8-year-old B. an 8-year-old

C. a 8-years-old D. an 8-years-old

Answer 1

【答案】B

【解析】试题分析：句意：他只是一个八岁的男孩。他不够大，不能照顾自己。这里是复合形容词，其结构是冠词+数词—名次单数--形容词，修饰后面的名词boy。eight词首音素是元音，用不定冠词an。所以选B。