. Over the years I have collected five foreign stamps of them are from the USA.A. hund

问题补充：

. Over the years I have collected five foreign stamps, of them are from the USA.

A. hundred; two hundredsB. hundred; two hundred

C. hundreds of; two hundred D. hundreds; two hundreds

答案：

解析：试题分析:句意:最近几年，我收集了500张外国邮票，其中的200张来自美国。前有数词时后面的hundred应该用单数；数词+hundred+名词；数词+hundred of+代词，故选B。