Mr. Yang: 1, Mr. Smith.Mr. Smith: Good evening, Mr. Yang.Mr. Yang: Are you 2tomorrow morning? Can’t you stay a little 3 ?Mr. Smith: I’m afraid 4. The arrangements have been made. Your help hasmade my 5here pleasant and successful. 6you very much.Mr. Yang: It’s my 7. We hope you’ll visit China again.Mr. Smith: Surely I 8.Mr. Yang: Well, wish you good 9and a pleasant journey, Mr. Smith.Mr. Smith: Thanks. 10.Mr. Yang: Bye.根据对话内容,选择最佳答案。