The only reason was that the theory he stuck toproved wrong．题目和参考答案——青夏教育精英家教网—

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18．The only reason was that the theory he stuck toproved（prove） wrong．

分析唯一的理由是他坚持的理论证明是错的．

解答 proved 考查单词填空．prove是连系动词，表示已发生的事情，用一般过去时．注意：he stuck to是定语从句修饰先行词the theory，如果不仔细分析，容易错看成to后接动名词形式proving．

点评考查单词填空，准确地理解题意、然后根据题意及提示确定所填单词词形，正确写出单词完成答题．

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