问题补充:
There are over books of all kinds in the library.
A. nine hundred of
B. nine hundreds
C. nine hundred
D. hundred of
答案:
A. nine hundred of
B. nine hundreds
(答案→)C. nine hundred
D. hundred of
解析:hundred是一个确数,表示一百,此时后面不加s,hundreds of是一个概数,表示“数以百计”。当hundred 与of连用时,它后边的名词和它本身都用复数。hundreds能用在介词短语中表概数。