当你想知道那位男孩是谁,应该说:____________________ A. Who’s that boy? B. Who’s that girl?
A: Do you like _______? B: No, I _______.
A: Is that _______ kite? B: Yes, it is.
A: _______ that on the desk ? B: It's a photo.
A: This is your father's pen, I think. B: No, it's _______.
A: Is that your purse? B:_______ .