-have you been studying at school?----For more than four yearsA. How oftenB. How long

发布时间：2020-08-22 20:37:49

----     have you been studying at school?  
----For more than four years．
A. How often
B. How long
C. How old
D. How far

网友回答

A. How often
(答案→)B. How long
C. How old
D. How far
解析：How often多久一次；How long多长；How old多大；How far多远。根据下文，大约超过四年。可知上文问的是时间长短，故选B。
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