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    20．The student pretendedto have memorized（memorize）the words，but in fact，he didn't．

    分析 那个学生假装记住了单词，但实际上，他没有．

    解答 答案：to have memorized 考查单词填空．pretend后接动词时，用动词不定式形式，且memorize发生在pretend之前，要用动词不定式的完成式．

    点评 考查单词填空，准确地理解句意，翻译句子，然后，根据句意，写出正确的单词．

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