初中一年级英语上册 unit 2 Is this your pencil

句型转换: 1 This is her eraser. (改一般疑问句) 2 Is that Mary’s pen?(否定回答) 3 It is his pencil.(否定陈述句) 4 Is his pen here? (肯定回答) 5 Are you Mr Wang?(肯定陈述句) Is this her eraser? No, it isn’t. It isn’t his pencil. Yes, it is. You are Mr Wang.