题目内容
—_______ will they do with the waste water?
—They’re having a discussion about ___________ to reuse it.
A. How; how B. How; what
C. What; how D. What; what
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题目内容
—_______ will they do with the waste water?
—They’re having a discussion about ___________ to reuse it.
A. How; how B. How; what
C. What; how D. What; what