________ medicine works in a human body is a question ________ not everyone can understand fully. A....
2022-06-29 16:37:06 112次 2020届天津市河北区高三线上测试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
________ medicine works in a human body is a question ________ not everyone can understand fully.
A.What; that B.How; that C.That; what D.That; which
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