At school, some students are active____ some are shy, yet they can be good friends with one another....
2022-12-18 17:33:58 15次 2014届山西省高二下学期期中考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
At school, some students are active____ some are shy,
yet they can be good friends with one another.
A．although B．while C．so D．as
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