听力原文：M: Hi, Sally! It's been ages since we met last time. How are you getting along with everything? W: It's all right! And OK with you? M: Yeah, but you look a little upset today. Anything wrong? W: (19) Oh, I've got a problem with my daughter Christina. She's seventeen now. And next year she'll go to college. (20) But all in her mind are only fashions and boys but learning. M: Sally, it's quite normal for girls of Christina's age to focus on the opposite sex and fashions alike. We used to be young, right? W: But her grades slipped sharply. Without good grades, you'll never enter a top university. Without college degree, how can you get a job, let alone a good job in the future? M: Then I think what you need is to sit down and have a talk with her. W: Talk about what? She knows everything. Her father gets some money to send her abroad after graduation. Christina is surely clear about that! M: But even if she will go abroad someday, she has to learn English well anyway, right? W: That's the headache! (21) I've signed up for a language training session for her already. Anyway, she has to work hard by herself. M: (22) Why not talk everything with her teacher in school? It will help! W: Great idea! I've never thought about that. I'll take it to her teacher tomorrow. Thank you! M: My pleasure. I did it for my son last time! Questions:19. Why was Sally upset? 20.What's wrong with Christina? 21.What did Sally do for her daughter's going abroad after graduation? 22.What is the man's suggestion to Sally about her daughter? (23)