Lesson 3 Whose Bag Is This? (I)Listen and answer: 1.Whose bag is this? Does Steve know it?2.Is it Ken’s bag?3.What color is Ken’s bag?4.Whose bag is this?Listen carefully:Jimmy: A bag! Whose bag is this?Steve: Well, I don’t know.Jimmy: Is it Ken’s bag?Jess: No, it’s not. His bag is blue.Steve: Oh, it’s Li Li’s.Jimmy: A bag! Whose bag is this?Steve: Well. I don’t know.Listen c..