问题:
—_____ do you go swimming?
—Sometimes.
A. How often
B. How long
C. How many
D. How old
—_____ do you go swimming?
—Sometimes.
A. How often
B. How long
C. How many
D. How old
—Sometimes.
A. How often
B. How long
C. How many
D. How old
参考答案: