You don’t know I want to see you again. It’s a year since I last saw you.
A. how soon
B. how long
C. how often
D. how much
网友回答
A. how soon
B. how long
C. how often
(答案→)D. how much
解析：本题难度较大，考查几组次得区别，注意读懂本题意思，表示程度。句中意思是你不知道我多么想再见到你。
howlong .多少(时间、长度) 多久
howmuch多少，也可以问价格，价钱，后面总是跟不可数名词
howsoon .这么快 .多快
howoften .多长时间一次