209.
M: Hi Alice, what are you doing? You look worried.
W: Oh. There's something wrong with my electronic calculator.
M: Do you want me to have a look at it?
W: It's very kind of you, but I would like to have a try first. Er... You know... I can do without it in class this afternoon.
M: Oh, well, if you need any help, just let me know. I'm free after school.
W: I will. Thank you very much.
M: You're welcome.

答案解析：
(1) 正确答案为A。根据Oh, well, if you need any help, just let me know.哦，好吧。如果你需要帮忙，尽管告诉我。可知，男子是在提供帮助，因此A项正确。
(2) 正确答案为C。根据女子说I can do without it in class this afternoon.下午上课时可以不用计算器，以及男子说I'm free after school.放学后我有时间。可推知，二人为同学关系，因此C项正确。