This is _____ and we must _____ on it. A hard work; work hard B a hard work; work hard C hard work; ...
2023-02-07 12:22:50 79次 2016届河南洛阳汝阳实验初中初一下学期第一次月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
This is _____ and we must _____ on it.
A hard work; work hard B a hard work; work hard
C hard work; hard work D work hard; hard work
本题链接：
