You’d better ________ hard if you want to have a good grade. A. work B. to work C. working D. worked...
2022-09-21 12:58:34 160次 天津市津南区2019届九年级学业水平考试模拟英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
You’d better ________ hard if you want to have a good grade.
A. work B. to work C. working D. worked
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