The experiment the young man devoted a lot of time ______ at last. A. to failing B. to failed C. to ...
2022-10-18 21:40:09 110次 牛津译林2018届英语九年级上册Unit2基础知识检测卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
The experiment the young man devoted a lot of time ______ at last.
A. to failing B. to failed C. to fail D. fail
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