Is this computer our English teacher's改为同义句____ this computer _____ ______our English teacher?

where is our computer This computer is Is this computer our English teacher's改为同义句____ this computer _____ ______our English teacher? This kind of computer is _____（wide）used in our country. 英文is this the computer Whose computer is this.[同义] How much is this computer?---the --- --- this computer? this is our pen---------------- This is our final is our computer room new that This is a computer对computer怎么提问 This is a computer对 a computer提问 How much is this computer?[同义句] This is a computer.(改为一般疑问句) is this your computer 改肯定句 Is this a English computer?(改错） this is your computer.的意思 Is this your computer?改肯定陈述句.