1. This is the art room.(怎么改为否定句?) 2.This is a TV.(怎么改为一般疑问句

1. This is the art room.(怎么改为否定句?) 2.This is a TV.(怎么改为一般疑问句 This is his pencil sharpener 改为一般疑问句和否定句怎么改? l like the letter.改为一般疑问句 this is the left.改为否定句 this is my room.they're on the bed.改为一般疑问句作出否定. 怎么把 this is a man 改为一般疑问句 否定 肯定 This is my room 改为否定句 1.This is a Chinese stamp.(改为否定句和一般疑问句） 改为一般疑问句This is a nice schoolbag.改为否定句That's your pencil box. This is a fat boy. 怎么改为否定句 This is a robot.改为一般疑问句,否定句,做否定回答 请将"This is a book."改为否定句,一般疑问句和特殊疑问句. This is my room.改为一般疑问句 ( )this(