I tried to think it hard, but I failed ____the question. A. to answer B. answer C. answering D. to a...
2022-10-31 00:05:04 50次 牛津译林版八年级英语上 Unit4 单项选择题练习 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
I tried to think it hard, but I failed ____the question.
A. to answer B. answer C. answering D. to answering
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