–Who isn’t today?---Wang Lin is.A. at the schoolB. at schoolC. in the schoolD. in school

问题补充：

–Who isn’t today?

---Wang Lin is.

A. at the school

B. at school

C. in the school

D. in school

答案：

A. at the school

(答案→)B. at school

C. in the school

D. in school

解析：本题主要考查交际用语。根据答语说明问的是谁没来上学，be at school，在学校，上学的意思，故选B。