Many people were waiting for the train. Some were reading newspapers, and some were saying goodbye to their friends. (A)Dr Wang, Mr. Li and Mr. Chen were talking so happily that they didn't know the train was going to leave. Then the guard called loudly, “The train is going to leave. Hurry up, please.” The three men heard the call and two of them jumped on the train quickly before it moved. One was left behind. It was Dr Wang. He looked very sad. The guard came to him and said, “Don't feel sad. (B)The next train will come in ten minutes.” “I know,” Dr Wang said, “But it was my train. My friends only came to see me off(送别).”
根据短文内容简要回答问题
Where were many people?
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Who was going to take the train?
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改写(A)句子
Dr Wang, Mr. Li and Mr. Chen were talking        happily        know the train  was going to leave。
找出文中能描述人物心情的形容词 。
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将(B)译为汉语。