◎ 题干
— What did the head teacher think of what you had done?
— He was happy _____ it.
[     ]
A. to
B. with
C. at
D. by
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— What did the head teacher think of what you had done? — He was happy _____ it. [ ]A. to B. with C. at D. by …”主要考查了你对  【介词和介词短语】  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。