The volunteers many signs to remind people to protect the environment. A. put on B. put up C. put do...
2022-12-26 06:02:55 177次 2015年初中毕业升学考试（云南卷）英语（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The volunteers many signs to remind people to protect the environment.
A. put on B. put up C. put down D. put off
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