15．- he managed to solve the problem? -Oh.he turned to Professor Lee for advice. A．Was it how that B．Was it that how C．How was it that D．How it was that 【查看更多】
題目列表(包括答案和解析)
---______ he managed to solve the problem? ---Oh，he turned to Professor Lee for advice.
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A．Was it how that B．Was it that how C．How was it that D．How it was that
