Is this his schoolbag?改为陈述句

this is his this is his photo. Is this his grandmother是什么意思 This is his dictionary同义 And is this his green This is his pencil case. Is this your pen Is this his pen?选择疑问句 This is his dictionary(一般疑问句) This is his dictionary(改为一般疑问句) This is his pen.复数形式 this is his pencil case 复数句 is/these/his/this的音标 this is his the best book改错 This is his cousin.改为复数形式 Is this his car?否定回答 This watch is his?(改为一般疑问句) this is his key 改为一般疑问句 This is his watch的同义词