—___ do you go to see your grandparents?
题型:选择题
问题:
— ___ do you go to see your grandparents?
— Once a month. [ ]
A.How long
B.How often
C.How soon
D.How much
— ___ do you go to see your grandparents?
— Once a month. [ ]
A.How long
B.How often
C.How soon
D.How much