题目内容
______ medicine works in a human body is a question _______ not everyone can understand fully.
A. How; thatB. That; which
C. That; whichD. What; that
A
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题目内容
______ medicine works in a human body is a question _______ not everyone can understand fully.
A. How; thatB. That; which
C. That; whichD. What; that
A