银行与邮局服务场景听力 — 英语词汇题
题目
听力材料：Woman: I need to send these documents to Canada and know when they arrive. Man: You can use registered mail. The recipient will sign for them, and you can check their progress online.
问题：What service does the woman need?
A. Ordinary mail
B. Registered mail
C. A money order
D. A savings account