如果按This is my bag.改写成This bag is mine."whose shirt is this?"怎么改?请指教!

如果按This is my bag.改写成This bag is mine.whose shirt is this?怎么改?请指教! this is my bag. This is my bag改为同句 This bag is 按要求改写以下英文句子：Whose school bag is this?（改同意句） This blue bag is ______ my mother. This is the my bag(改错） this is my skirt(用mine改写) This is my bag.There is n____in it.按首字母提示填写空 This is your family photo . M ( )is in my bag. This is my bag.（改为一般疑问句） this my not bag is 连词成句 This is my first bag中first前要加the吗 Is this hers bag? this black bag is Is ths your bag?“怎么回答?可以用This is my bag吗?为什么?我主要是问可以用This is my bag吗？ Where is my bag My school bag is This is my seat.（用mine改写句子急急