Is this your backpack?选择:1、Yes,this is2、No,itis not3、Yes,it isnot
问题描述:
Is this your backpack?选择:1、Yes,this is2、No,itis not3、Yes,it isnot
答
2对
Is this your backpack?选择:1、Yes,this is2、No,itis not3、Yes,it isnot
2对