问题补充:
The volunteers sent books to a mountain village school on Children’s Day.
A. two hundreds of
B. two hundred of
C. two hundreds
D. two hundred
答案:
A. two hundreds of
B. two hundred of
C. two hundreds
(答案→)D. two hundred
解析:考查数词的用法。固定短语hundreds of“成千上万”,前面不能加数词;如果有数词,hundred不用复数形式,且后面不加of。