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英语
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He had a bad cold,so he couldn't come to your birthday party.改为简单句.
His bad cold_____him_____coming to your birthday party.
人气:137 ℃ 时间:2020-07-03 23:25:54
解答
prevented---from---
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1.Tom and Mary ____ middle school students.
改为同义句
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1、I met Lily three years ago.She ( ) at a bookstore at the time.
I think they have got no chance to win.
根据染色体的变化特点,写出细胞有丝分裂的顺序
一列快车正以20m/s的速度在平直轨道上运行时,发现前面180m处有一货车正以6m/s的速度匀速同向行驶,快车立即紧急刹车制动,已知快车在此速度下紧急制动须经40s才能停止,问是否发生撞车
20+4x=6x-24 3(3x-2)=10-0.5(x-3.5)
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