Question

—Is Mary         ?
—No, she is a          girl.

A．twelve years old; fourteen years old.

B．twelve years old; fourteen -year -old.

C．twelve - year - old; fourteen years old.

D．twelve - year - old; fourteen - year -old.

Answer 1

B

解析试题分析：玛丽是12岁了吗？不，她是一个14岁的女孩。12岁。year,要加复数。数次加连字符再加名词的单数表示形容词。故选B。
考点：考查数词。