问题补充:
—will you come back home from vacation?
—In two weeks.
A. How often
B. How soon
C. How much
D. How long
答案:
A. How often
(答案→)B. How soon
C. How much
D. How long
解析:特殊疑问词辨析。How often表示对频率的提问;how soon是对将来时的提问;how much是对数量的提问;how long是对一段时间的提问。根据回答in two weeks,说明是对将来时的提问,故B正确。