—Was________problemsolved?—Weweretryingtothinkof________wayout,butitw

发布时间：2020-08-13 16:14:05

—Was ________ problem solved?—We were trying to think of ________ way out, but it was difficult to find oneA.a; aB.a; theC.the; aD.the; the

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C解析第一空特指双方都知道的 problem，用定冠词 the；第二空泛指方法，用 a。
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