Question

【题目】— _______ 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

Answer 1

【答案】C
【解析】他们将如何处理这些污水？——他们正在讨论如何循环利用。do with处理，与what连用；What…do with? 如何处理？how to reuse it. 如何循环利用,how表方式。所以答案是C。