________ it is true that a student's most important goal is to do well in his or her studies，it does...
2022-11-13 14:14:26 170次 2014年北师大版高中英语必修一第三单元练习卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
________ it is true that a student's most important goal is to do well in his or her studies，it doesn't need to be the only goal.
A．When B．As C．While D．Before
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