题目内容
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 |
B
试题分析:A. characters人物,性格,B. volunteers 志愿者,C. operators接线员,操作员,D. 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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