Scientists have already made robots to walk and dance 改错

Scientists have already made robots to walk and dance 改错 Scientists have aready made robots to walk and dance Some scientists have already made robots walk and dance.为什么要 1.Scientists have already made robots walk and dance.（变为否定句） Japanese companies have already made robots walk and dance.中 Japannese comepanies have already made robots walk and dance Japanses companies have already made robots walk and dance . Scientists have already made robts walk and dance.否定句 改错Scientists have already made a sheep 英语翻译2.Japanese companies have already made robots walk and d some companies___already___(make)robots walk and dance scientists made robots and they wanted them to do the same t