There have been great changes in the country() you visited us last time.

听力原文：There have been many great inventions, things that change the way we live. The fi

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Great changes have taken place in China since the introduction of the reform. and opening

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The past two decades have witnessed great changes in information technology（翻译)

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There has been a change in doctors’ understanding

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In the last two hundred years there have been great changes in the method of production of

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Great changes have taken place in my hometown since 1978.()

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短文改错﹙10分﹚Though great progress have been made in science these years there are still many peop短文改错﹙10分﹚ Though great progress have been made in science these years there are still many people li

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