head boy

例句：

1. 1. The head boy of theclass is responsible for organizing the annual schooltrip.
   班级的班长负责组织年度学校旅行。
2. 2. The head boy was chosen as therepresentative to attend the national conference.
   被选为代表参加全国会议的是班长。
3. 3. Thehead boy always tries to be the firstto finish his homework.
   班长总是试图先完成他的家庭作业。