— ________ will it take you to get to the post office?
—About half an hour.

A、How old
B、How long
C、How soon
D、How often
— ________ will it take you to get to the post office? —Abo - 测验 - 城轨服务英语 - 智慧职教MOOC学院 | 大学网课搜题引擎