Look at that bag ( ) bag is nice

Look at that bag ( ) bag is nice That blue bag is very nice. 1.Look at that girl.Thin is (h )bag.2.There are many (a )on This black bag is nice your bag is very nice? That bag is Amelia's. that bag is a black This bag is heavy.That bag is a little ） Is that bag heavy?为什么bag在前,heavy在后呢? look i have a new bag.my bag is newest than your bag.( ) aba what is this和are they triangles 和look at my bag 和 what shape That bag is black.It is ______.