my cousin is a ____boy.A.16 years old B.c.16-years-old d.16-year old

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my cousin is a ____boy.A.16 years old B.c.16-years-old d.16-year old

my cousin is a ____boy.A.16 years old B.c.16-years-old d.16-year old
my cousin is a ____boy.A.16 years old B.c.16-years-old d.16-year old

my cousin is a ____boy.A.16 years old B.c.16-years-old d.16-year old
答案为D.这种句子有这两种常用表达:he_is_a_16-year-old_boy或者he_is_16_years_old,注意16-year-old相当于一个形容词.(手机作答,见谅)

选D。数词和量词之间用中划线连接,量词要用单数,这个整体相当于一个形容词。