— are the students? —They are on the playground.A. WhatB. WhereC. HowD. How many

问题补充：

— are the students? —They are on the playground.

A. What

B. Where

C. How

D. How many

答案：

A. What

(答案→)B. Where

C. How

D. How many

解析：本题回答语表示的是地点，对地点提问用where，故本题选B。What对事物提问，how对情况提问，how many对可数名词数量提问。