句子（5句初一英语）
1.he played football last week(变为否定句）
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2.you mustn't use electronic calculators in the exam.(变为祈使句）
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3.subtract 7 from 10 and we can get 3.(变为同义句）
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4.we arrived in london by train yesterday evening.(就划线部分提问 划线部分：by train）
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5.tomorrow we are going to fly home.(变为同义句）
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