Is this his backpack （做出肯定的简略回答） Is that her nice watch（改为肯定的陈述句）

This is his backpack.改成否定句 中文意思：this backpack is his. Is this his backpack?肯定回答 Is this his backpack.(做出肯定的简略回答) his backpack 改一般疑问句It's his backpack 改一般疑问句His telephone number is 535-2375 改一般疑问句This is my grandmother 改否定句 is that your friend 改为复数句 is this his backpack作否定回答 This is my pencil.（改为复数句） It's his backpack.（改为复数句） “This is ____ his backpack.A.notB.noC.not aD.A and B This is a backpack.（对.backpack提问） It is his backpack改否定句 his pen is backpack 修改病句 Is this his backpack -no it is that green backpack to him最后为什么要加him求原因是No,it is not.That green backpack (belongs) to him. is this your backpack?翻译成中文 This is my backpack.改成复数形式 is this your backpack?翻译成中文 This is my backpack改为同义句 Who backpack is this?改正错句 Is this his backpack （做出肯定的简略回答） Is that her nice watch（改为肯定的陈述句）