问题补充:
---- do you have out with your friends?
----Once a week.
A. How long
B. How often
C. How many
D. How soon
答案:
A. How long
(答案→)B. How often
C. How many
D. How soon
解析:句意:你多长时间和你的朋友出去一次?一周一次。A.How long“多远”;B.How often“多长时间一次”,对频率进行提问;C.How many“多少”;D.How soon“多久”。故选B。