W: It seems you've burned yourself out. M: Pardon. I'm afraid I didn't quite catch you. W: You look tired. You must have overworked yourself. M: Yes, a little bit. I've been hitting the books all these days. W: Why have you been studying so hard? M: I need to review my English. W: So that's what keeps you so busy recently! M: Yes, I've been tied up with my studies. Now, what worries me a lot is my English. W: But why? Your English is very good. M: Thank you. You are very kind. W: No, I'm telling the truth. As an American, I understand you quite well. M: It's very kind of you to say so.
What can we learn about the speakers? (A) They're friends (B) They're strangers. (C) They're relatives. What makes the man feel tired? (A) Working in the sun. (B) Carrying the woman's books. (C) Going over his English.