__________ we know English is important , we should work hard at it . A. Because of B. Since C. For ...
2022-11-04 03:15:41 32次 牛津译林版8上 unit 8 单元测试 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
__________ we know English is important , we should work hard at it .
A. Because of B. Since C. For D. So
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