— I hear you have to run for half an hour every day.— Right. It is one of the in my school

问题补充：

— I hear you have to run for half an hour every day.

— Right. It is one of the in my school.

A. choices

B. plans

C. hobbies

D. rules

答案：

A. choices

B. plans

C. hobbies

(答案→)D. rules

解析：词义辨析。choices选择；plans计划；hobbies爱好；rules

规定。句意：我听说你每天跑步半个小时。是的。这是我们学校的规定之一。所以选D。