题目内容：
—Have you finished the work? ( )—Not yet, but no matter how hard it is, we'll keep ___ until we make it. A A. failed
B B. trying
C C. tried
D D. failing
参考答案：
选择题：—Have you finished the work? ( )—Not yet, but no m
- 题目分类：平顶山学院-医学检验（高起专）-大学英语（高起专）
- 题目类型：选择题
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—Not yet, but no matter how hard it is, we'll keep ___ until we make it. A A. failed
B B. trying
C C. tried
D D. failing