补全对话。根据对话内容在每一个空白处填入一个适当的词，将其填到对话后的相应题号的横线上。 W: Excuse me, sir. M: Yes? What (1)______ I do for you, madam? W: It's one o'clock. I have been waiting for an hour to meet my father. But I saw all the passengers came out (2)______ him. M: (3)______ you sure of the time his flight arrives? W: Yes, I (4)______ so. He told me he would reach the airport at about 1:00 this afternoon. M: That's true. Flight BA506 has (5)______ arrived. W: What? BA506? Well, I don't think it's his flight number. M: Do you (6)______ his flight number? W: Yes. It's VA407, I think … oh, a moment, please. Here, I wrote it on my notebook. Oh, (7)______, it's VA408. M: VA408? I see, Madam. The flight was supposed to arrive at 1:00, but it will be two hours and twenty minutes (8)______ because of the bad weather in New York. W: I see. Then I (9)______ to wait longer. Thank you very much, sir. M: (10)______ luck, madam.