题干
— ________do you visit your grandparents in the countryside?
—Once a week.
A：How far
B：How soon
C：How long
D：How often
答案(点此获取答案解析）
D
— ________do you visit your grandparents in the countryside?
—Once a week.
A：How far
B：How soon
C：How long
D：How often
