问题补充：
-- has your grandpa lived here? --Since last year.
A. How long
B. How often
C. How soon
D. How far
答案：
(答案→)A. How long
B. How often
C. How soon
D. How far
解析：根据答语可知询问的是时间段，故选A.
如果觉得《has your grandpa lived here? --Since last year.A. How long B. How oftenC. How soonD. H》对你有帮助，请点赞、收藏，并留下你的观点哦！
