求翻译：we haven't heard from wang hong recenty. we don't konw why. you look so upset. can you tell me what has happened. by the time i went outside, the bus had already gone. when she got to school, she realized that she had left her backpack at home. i have never been late for school, but yesterday i came very close. he noticed that all the classmates had already got there是什么意思？

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