Eight students in our school are from countryside.A. hundredsBhundredC. hundreds ofD.

问题补充：

Eight students in our school are from countryside.

A. hundreds

Bhundred

C. hundreds of

Dhundred of

答案：

A. hundreds

(答案→)B. hundred

C. hundreds of

D. hundred of

解析：句意：我们学校的八百名学生来自农村。表示准确数字，hundred不用复数，不连用of。但表示概数时，必须用复数并且和of连用。所以选B。