题目内容
【题目】My pen friend is boy.He is from America.
A. a eight-years-old
B. an eight-year-old
C. an eight-years-old
D. a eight-year-old
【答案】B
【解析】句意:我的笔友是一个8岁的男孩,他来自美国。数词-名词-形容词,当各词之间有连字符时,名词不用复数,表示“---的”,相当于形容词修饰名词boy;a用于辅音因素开头的单词前,an用于元音因素开头的单词;故选B
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