问题:
— ______ do you write to your pen-friend?
— Once a week.
A. How long
B. How soon
C. How far
D. How often
— ______ do you write to your pen-friend?
— Once a week.
A. How long
B. How soon
C. How far
D. How often
— Once a week.
A. How long
B. How soon
C. How far
D. How often
参考答案: