问题补充：
There are two boys in my school.
A. hundreds
B. hundred
C. hundreds of
D. hundred of
答案：
A. hundreds
(答案→)B. hundred
C. hundreds of
D. hundred of
解析：此题考查数量的表达方式，确切数量的表达方式是基数词+hundred/thousand/million+名词复数；不确切数量的表达方式是hundreds/thousands/millions+of+名词复数
