问题
选择题
—______ is "The Same Song" shown on CCTV-3?
— Once a week.
[ ]
A. How long
B. How often
C. How soon
答案
答案：B
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—______ is "The Same Song" shown on CCTV-3?
— Once a week.
[ ]
A. How long
B. How often
C. How soon
答案：B