David had prepared carefully for the chemistry exam, as he wanted to be sure of passing it at the fi...
2022-11-24 10:54:37 15次 2015届福建省高二上学期期末考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
David had prepared carefully for the chemistry exam, as he wanted to be sure of passing it at the first _____.
A. experiment B. intention C. aim D. attempt
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