We ________ a sign at the park entrance to tell people to protect the trees and flowers. A. put down...
2022-10-20 03:26:49 158次 2015-2016学年北京市西城区高一上学期期末考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
We ________ a sign at the park entrance to tell people to protect the trees and flowers.
A. put down B. put up C. put away D. put off
本题链接：
