This is a bag.( )bag is yelloy.填什么为什么?

THIS BAG IS NOT A This is a bag.( )bag is yelloy.填什么为什么? _______ 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 this is my bag. This is a big school bag.感叹句 What is this in english?A This is a bag B It is bag C It is a bag 为什么 What's this in English?A.This is a bag.B.It is bag.C.It's a bag.D.That's a bag. This is a bag对a bag部分提问__ __ this? This bag is heavy.That bag is a little ）A heavier B heavy 为什么 This is my bag改为同句 This bag is This is the Doggy bag. This is a red bag（对a red bag 提问） This is a bag in English.对画线部分提问a bag This is a rad bag的否定句 Is this a bag?的肯定回答是什么?急用! this is a bag 改为否定句是什么