A: ___________B: No, I am riding a bike.(A) Are you riding a bike? (B) What are you doing? (C) Are y
A: Are you singing? B: ___________(A) No, I am singing. (B) Yes, I am dancing. (C) Yes, I am. (D) Ye
2.The tea house is in the mountain. We can drink tea and enjoy the scenery there _____ the same time
3.The water in this river is very _____. You can even see fish in it.(A) dirty(B) dry(C) clean(D) co