问题补充:
——do you eat vegetables?
——Every day.
A. How long
B. How often
C. How much
D. how far
答案:
A. How long
(答案→)B. How often
C. How much
D. how far
解析:句意:你多久吃一次蔬菜?每天。Every day 每天体现了提问是针对频率进行的,A.How long对时间多长进行提问。B.How often对频率进行提问。C.How much对不可数名词进行提问。D.how far对距离进行提问。故选B,多久。