Is this a computer game?作否定回答!

The computer game is black and white(改成一般疑问句,并作肯否定回答） 改为否定句（英语的）This is a computer game .(改为否定句） He is 13 years ol Is your computer game under the desk?作肯定回答 Do you have a computer game?做否定回答 is this a teacher,s desk?怎么作否定回答? this is his computer game.改为否定句this----- ------his computer Is this his computer game? 一.改写原句That is an Orange .（改成一般疑问句）Is this a computer game?（作 Is this ring red.(作否定回答) This is a computer.改为一般疑问句,并做否定回答 DOES your sister have a computer作否定回答 This is her computer game.改为一般疑问句和否定句