If you are weak _____ a subject, ______ and asking a teacher for advice can help. A. at; working har...
2023-02-05 14:16:45 191次 2013-2014学年山东省东营市九年级第二次模拟英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
If you are weak _____ a subject, ______ and asking a teacher for advice can help.
A. at; working hard B. in; work hard
C. at; work hard D. in; working hard
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