---Do you often spend half an hour your homework every day?---Yes, I do.
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for
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in
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at
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On
推荐题目
— Why did you go to London two years ago?— I went there with the aim of learning English.
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to practice speaking
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improving
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in order to learn
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in order that learn
Project Hope has built many schools ________ big classrooms and libraries.
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in
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of
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for
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with