We have friends to help us fight against pollution, and trees are one of ________. A. themselves B. ...
2023-02-06 09:22:02 57次 2014年初中毕业升学考试（山东临沂卷）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：
We have friends to help us fight against pollution, and trees are one of ________.
A. themselves B. they
C. their D. them
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