This is a robot.改为一般疑问句,否定句,做否定回答

This is a robot.改为一般疑问句,否定句,做否定回答 mike has a robot改为一般疑问句 This is a desk.(改为一般疑问句) This is a ruler 改为一般疑问句 this is a pencil 改为一般疑问句 This is a computer.(改为一般疑问句) This is a pen.改为一般疑问句 This is a key改为一般疑问句? This is a ruler改为一般疑问句 This is a map 改为一般疑问句 This is a camera.(改为一般疑问句) A robot can do the dishes.改为一般疑问句Can a robot do the dishes. This is her lomuter 改为一般疑问句 She is a new student改为一般疑问句 This is a pencil sharpener.(改为一般疑问句) This is a pencil box 改为一般疑问句 this is a red pen怎样改为一般疑问句 This is a toy car.改为一般疑问句? This is a clock.(改为一般疑问句）