问题补充:
—How old is Tom?
—He is .
A. fourteen years
B. fourteen year old
C. fourteen old
D. fourteen
答案:
(答案→)A. fourteen years
B. fourteen year old
C. fourteen old
D. fourteen
解析:句意:汤姆多大了?他十四岁。对年龄的表示常有两种形式: ①直接用“be+数词”结构;用“be+数词+year(s) old”结构。“十四岁”可表示为be fourteen或be fourteen years old,因此选D。