As is known, only hard leads to happiness. A. work B. works C. worked D. working
2022-09-26 17:18:28 125次 北京市石景山区2018届高三3月统一测试（一模）英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
As is known, only hard leads to happiness.
A. work B. works
C. worked D. working
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