题目内容
【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
【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。
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