问题补充:
--- will your mother come back? --- In two days.
A. How often
B. How long
C. How soon
D. How far
答案:
A. How often
B. How long
(答案→)C. How soon
D. How far
解析:本题考查疑问短语的区别。本题的含义为你的妈妈多久以后将返回?在两天后,how soon为多久以后的含义,对in+时间长度提问;而how often对频率提问意思为多久一次;how long对时间长度提问,表示多长的含义;how far对路程提问,意思为多远的含义;后三者与本题的含义不符,故本题选C。