There are about _________students in our grade.

问题描述:

There are about _________students in our grade.
选什么( )
A.two hundreds and twenty-five B.two hundreds and twenty five
C.two hundred and twenty-five D.two hundred twenty-five

c
hundred后有十位数或个位数要用and连接
具体的一百,两百,hundred不加s;但抽象的“成百上千”要用复数形式--hundreds of**