This is his pen 改成一般疑问句 并做出肯定和否定两种回答

Is this his pen 改成同义句 This pen is his改成同义句 this is a pen改成一般疑问句 this is pen?怎么改成一般疑问句 This is his pen 改成一般疑问句 并做出肯定和否定两种回答 thae is my pen.that is his desk.this is her pen-case.that is your eraser.改成一般疑问句并做回答 Is this your pen Is this his pen?选择疑问句 this is his green pen 改为一般疑问句 those are her keys 改为一般疑问句 This is his pen对his pen提问 that is a pen.改成一般疑问句 My is black pen改成一般疑问句? This pen is mine.改成否定句,一般疑问句,肯定回答,否定回答 It is his pen(改为一般疑问句) This is his pen.复数形式 Is this his pen?答句 this pen is his是什么意思xiexie is this his green pen?的中文翻译. This is his pen,The pen b___ to him