英语中有很多动词可以表示“忙于做某事”，例如：busy doing something、engaged in something、occupied with something等等。下面是一些例句：
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I'm busy preparing for my exam next week. （我忙于为下周的考试做准备。）
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She is engaged in writing her thesis. （她正忙于写她的论文。）
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He is occupied with his new project. （他正忙于他的新项目。）
此外，还可以使用一些短语来表示“忙于做某事”，例如：in the middle of something、wrapped up in something、caught up in something等等。以下是一些例句：
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Sorry, I can't talk right now, I'm in the middle of a meeting. （抱歉，我现在不能说话，我正在开会。）
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He was so wrapped up in his book that he didn't hear the phone ringing. （他太专注于他的书了，以至于没有听到电话铃声。）
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They were caught up in the excitement of the game and forgot about the time. （他们沉浸在比赛的激情中，忘记了时间。）
总之，用忙于做某事造句英语不仅可以让句子更加地流利自然，还可以更准确地表达出自己的意思。
