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We should clean our classroom now.(改为否定句)

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We should clean our classroom now.(改为否定句)
We should clean our classroom now.(改为否定句) We our classroomnow
We should clean our classroom now.(改为否定句)
need not clean
望采纳.
再问: 你能告诉我你是谁嘛
再问: Where did he park his car? Do you know?(合并为一个句子) Do you know he his car?
再答: Do you know where he parked his car? 我是谁?问这个干什么啊?
再问: 以后好问作业呀
再答: 可以啊,有问题随便问,乐意效劳。
再问: 用手将一个质量为500g边长为10cm的正方体物块浸没于水中,使物块上表面离水面20cm. 求:(1)正方体物块下表面受到的压强. (2)正方体物块上下表面受到的压力差. (3)放手后,正方体物块最终静止时受到的浮力.
再问: (g取10N/kg)
再问: 你知道怎么做不