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