问题补充:
------ are you staying in China?
------For about two months.
A. How far
B. How long
C. How often
D. How many
答案:
A. How far
(答案→)B. How long
C. How often
D. How many
解析:回答语为时间长度,对此提问的通常用how long,故选B.而how far对路程提问,
How often对频率提问,how many对数量提问,故都不选。