If nature doesn’t provide man with the necessary material, it is the laboratory _____ he will turn t...
2022-10-31 13:58:57 171次 2014-2015学年福建福州市高二下期中英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
If nature doesn’t provide man with the necessary material, it is the laboratory _____ he will turn to for help.
A. where B. that C. which D. what
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