It was Sunday morning at the train station. Many people _____(40)____for the train. Some were reading newspapers, and some were saying goodbye to their friends. David and two of his friends were talking happily. They didn't even ___(41)____the time. The guard (站務人員) came and said to them, "The train____(42)___. Hurry up, please.'' David and his friends heard that. Two of them jumped on to the train quickly before it moved. But one of them was still standing on the platform(月台). It was David. He looked sad. The guard came to David and said, "Don't worry. The next train is coming soon." "I know," said David, " but it was MY train. My friends only ___(43)___ to say goodbye to me." 43.

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