IBM produced this new type of laptop computer如何改被动句?

IBM produced this new type of laptop computer如何改被动句? 英语翻译a new type of meanufacturing system is evolving computer A new type of computer is going to______ next year. It is the size of a laptop computer and about 2.5kg heavy.(改 where did you buy this kind of computer改被动语态 This type of computer was made three years ago ____(experiment) on several times ,this new type of machine What's the price of this new computer?（同义句） What's the price of this new computer?同义句 【急~急】 We built a new bridge over the river last year 如何改被动句? is this your computer 改肯定句 It is the size of a laptop computer.的同义句 It is as big as a l