题干
——Jenny, ________do you visit your grandparents?
——Twice a month.
A：How long
B：How soon
C：How often
D：How many
答案(点此获取答案解析）
C
——Jenny, ________do you visit your grandparents?
——Twice a month.
A：How long
B：How soon
C：How often
D：How many
