A、Teacher and student. B、Doctor and patient. C、Manager and office worker. D、Travel agent and customer. C关键是要听到女士说要“休假”，而男士要求她“填写

W: Simon, could you return the tools I lent you for building the bookshelf last month?
M: Oh, well, I hate to tell you this, but I can’t seem to find them.
Q: What do we learn from the conversation?

W: Mr. Watson, I wonder whether it’s possible for me to take a vacation early next month.
M: Did you fill out a request form?
Q: What is the probable relationship between the two speakers?