is this your bag?与is this bag yours?有什么区别

is this your bag?与is this bag yours?有什么区别 is this shopping bag yours? This is your bag.和 Here's your bag.有什么区别? Is this your bag 和 this Is your bag哪个正确,有什么差别?是否通用? OK.< >Is this your bag? This red bag is mine.( ) is red 括号填your还是yours? Is this bag yours? yours在句中做什么成分啊?谢谢 this black bag is THIS bag is ( ) This bag is mine this is my bag. "Is this hers bag?