this is his ring改成否定句谢

this is his ring改成否定句谢 This is his backpack.改成否定句 this is my ring改成同义句 Is this ring red.(作否定句) Is this ring red.(作否定回答) Is this his sharpener?改成肯定句 还有That is her ruler改成否定句! this is her key ring改为否定句 This is his ring 对画线部分提问画线部分是his ring This is his book.改成一般疑问句并作否定回答 This is his pen 改成一般疑问句 并做出肯定和否定两种回答 this is her ring改为否定句 __ __her ring.怎么改? this is my eraser.改成否定句 this is my ruler改成否定句 This is a pagoda.改成否定句 That is black cat 改成（what) His bag is red 提问 This is a small hall (一般疑问句 否定回答 this is his book that is your ruler 改成一般疑问句并作肯定否定回答this is his bookthat is your ruler改成一般疑问句并作肯定否定回答 This is his photo 改成复数 Is this his pen 改成同义句