◎ 题干

— ________was it that David managed to get in contact with the professor?
— Oh,  a friend of mine helped him.

[      ]
A. Where  
B. What  
C. How  
D. Why
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“— ________was it that David managed to get in contact with the professor?— Oh,a friend of mine helped him.[ ]A. WhereB. WhatC. HowD. Why…”主要考查了你对  【连接副词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。