A. I want to check inB. You may board nowC. I'm afraid your bag is four kilos overweightA: Is this the right counter for CAL Flight 305 to Washington?B: Yes, it is. May I help you?A:【D1】______. Here are my ticket and passport.B: Please put your baggage on the scales.A: Sure. I still have one shoulder bag. May I carry it with me on board?B: Of course, you can.【D2】______ , madam.A: How much should I pay for the excess weight?B: You'll have to pay 40 yuan for the excess baggage. Ten yuan for each kilogram.A: What is the gate number of my flight?B: It's gate 5.A: What time do I have to be at the gate?B:【D3】______ . Here is your boarding pass.