At school, some students are active ________ some are shy, yet they can be friends with one another....
2022-10-11 17:28:20 90次 2016-2017学年山西太原五中高一入学考试英语试卷（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 friends with one another.
A. whileB. althoughC. since
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