Is this your a bag?这句话哪里错了,怎么改?

Is this your a bag?这句话哪里错了,怎么改? THIS BAG IS NOT A A:Excus me,Wang Dong .Is your bag?B:( ).My bag is here.( )it's that girl's bag.A:OK.( ) Is this your bag?C:Oh,yes.It's my bag.A:( ).C:Thank you very much.A:( ). Is this your bag 和 this Is your bag哪个正确,有什么差别?是否通用? This is a bag.( )bag is yelloy.填什么为什么? 英语 改复数句This is a pen.Is this your backpack?It's a black bag is this your bag?与is this bag yours?有什么区别 Is this ()bag?No,it's not.A.hers B.you C.your This is your family photo . M ( )is in my bag. This is a big school bag.感叹句 This is your bag.和 Here's your bag.有什么区别? What is this in english?A This is a bag B It is bag C It is a bag 为什么 OK.< >Is this your bag?< >里填英语 Is this your bag?是什么时态请各位马上回答 this is your bag ,I think.错在哪里 _______ this?A Whose is bag B Whose bag is C Who's bag D Who's is bag Is this hers bag? this black bag is