please take these things to your biother(改成否定祈使句）

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• please take these things to your brother?否定句
• please take these things to your biother(改成否定祈使句）
• 1：I think we must m_______plans for it 2：She has to v____a friend Maria are you f__tomorrowWould you like to go o___ for a p___ I think you have the w___numberWould you like to go s___sith us空白的地方填什么The young woman works in an office对worke in an office提问Her uncle is a farmer对a afarmer提问You come in变成祈使句Please take care of your books(同义句）Does your friend work in a factory（否定回答）
• please take these things to your brother?否定句
• 利用传感器和计算机可以研究快速变化的力的大小，实验时让质量为M的某消防员从一平台上*下落，下落2m后双脚触地，接着他用双腿弯曲的方法缓冲，使自身重心又下降了0.5m，最后停止
• 下列哪种结构是植物长距离水分运输的主要渠道【 】 A 导管和管胞 B 胞间连丝 C 伴胞细胞 D 筛管