Question

【题目】On Saturdays, students are very proud to be on the street to guide passers-by to obey traffic rules.

A. characters B. volunteers C. operators D. graduates

Answer 1

【答案】B

【解析】characters人物，性格，volunteers志愿者，operators接线员，操作员， graduates毕业生，句意：在星期六，学生很自豪能做街上的自愿者指导行人遵守交通规则。根据句意选B。