This is my bag.That is——后面应该是mine还是yours

this is my bag. This is my bag改为同句 This bag is This is my bag.That is——后面应该是mine还是yours 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:( ). This blue bag is ______ my mother. This is the my bag(改错） Tom( )(walk) to school every day. This is my bTom( )(walk) to school every day.This is my bag.That's( )(he) bag. That is my bag.(改为同义句) this bag is 8 dollars That bag is 9 dollarsThat bag is＿ ＿than this one This is your family photo . M ( )is in my bag. This bag is 90 yuan.Taht bag is 70 yuan (同义句)This bag is____ ____ than that one This bag is 20kg.That bag is 40kg.（合成一句）That bag is ____ the ______ of this bag. this is the very bag---my mother bought yesterday.a,that b,who c,whom d,which选哪个为什么 如果按This is my bag.改写成This bag is mine.whose shirt is this?怎么改?请指教! That box is lighter than this bag的同义句 This bag is her.Whose bag is that?It is____(我的） This bag is heavy.That bag is a little ）A heavier B heavy 为什么 This is my bag.（改为一般疑问句）