This computer already has all three games inThis computer already has all three games installed.there is nomaintenance to perform啥意思

Get up!Mary.Tom has___called you three times this morning.a yet b alread This computer is still, yet, alread的用法? How much is this computer?---the --- --- this computer? 英文is this the computer Whose computer is this.[同义] 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. ls this your computer?改为肯定陈述句 This computer is so expensive改错 Is this --------computer game?Yes,_____is_________computer game Is this her computer game 同义句