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最佳答案：He has learned English for three years .
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最佳答案：By the time he was eighteen ,he had learned English for ten years.
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最佳答案：We had learned more than 1000 English words by the end of last term .
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最佳答案：1.We have learned over three thousand vocabularies so far.2.The show has already
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最佳答案：1 are you back in school? / vacation we had2 of his math exams in good/poor/gene
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最佳答案：1 by the end of last term I had learned more than 2000 English words2 when I arr
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最佳答案：过去完成时的话如下1.My favorite book had already been sold out.2.He had drunk a glass of
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最佳答案：Dear Kim,Sorry to write to you so late.How are you lately?I'm not doing so well.
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最佳答案：Schools in two weeks ago began school, my physical result has two successive are
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最佳答案：In China,the movie will be on at 5th of march,but my school will have started al