问题补充:
—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.
答案:
A. twelve years old; fourteen years old.
(答案→)B. twelve years old; fourteen -year -old.
C. twelve - year - old; fourteen years old.
D. twelve - year - old; fourteen - year -old.
解析: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。