Question

【题目】— ____ are you staying in Shanghai?
— For about half a month.
A.How long
B.How often
C.How many
D.How soon

Answer 1

【答案】A
【解析】句意：—你在上海呆多久？—大约半个月。A. How long”多长时间“；B. How often”多久一次“；C. How many ”多少“；D. How soon”多久以后“。For about half a month.表示的是时间段，所以答案是A。