it is a bag划线提问bag的话,能用what's it

it is a bag划线提问bag的话,能用what's it what ’s in the bag?it is a bag.错在哪 What's this in English?A.This is a bag.B.It is bag.C.It's a ( )3.-What’s this in English?A.This is a bag B.It is bag.C.I it's in your bag对in your bag提问 what's that ___ there?It's a bag. it is my bag.对my bag提问 What's this it's bag.对么 ( ) bag is this it's so beautiful.A.Who's B.Whose C.What D.W oh,it's a nice bag.Guess!What's in my bag? A:My bag is ____.Yours is heavy.What's in it? What color is your bag?It's____yellow bag.A.a B.an C.the D./