Question

Could you please give me your e-mail address ________ you go?

1. A.
   as soon as
2. B.
   before
3. C.
   after
4. D.
   until

Answer 1

B
考查时间状语从句的用法。根据题意：在你离开之前，请你给我你的电子邮件地址好吗？排除了A，C，D项，故选B。