May: Hi, Mike. Long time no see.

Mike: Hi, May!

May: Where have you been these days? It’s been quite a long time   (1)  ．I last saw you in the library.

Mike: Well, I went to Hong Kong last month and stayed there   (2)  ．_half a month.

May: Why did you stay there so long?

Mike: Er, I went there   (3)  ．(attend) a meeting to discuss how to make sure of flight   (4)  ．(safe) between countries.

May: I called you many times, but I could not get through,   (5)  ．made me very angry.

Mike: Oh, I’m sorry. I got my phone number  (6)  ．(change) when I was in Hong Kong so that I didn’t have to spend so  (7)  ．on my phone calls.

May: Did you have a good time there?

Mike: Yes, a very nice time. I drove around with my friends. I also paid _  (8)  ．visit to the Hong Kong Disneyland. It was the first time that I   (9)  ．_(see) the sea. It’s   (10)  ．(real) a wonderful experience.