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最佳答案：Since he came here, he has been teaching us English all the time.
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最佳答案：It is my pleasure that I can be invited to make a lecture here
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最佳答案：Dear dad and mom,How are you? Now it is the most beautiful summer time of Xiamen
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最佳答案：The reason why you all are told to come here today,in such hot weather,is for tr
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最佳答案：1.Is your notebook blue?2.There are some green plants on the table.3.I need your