问题
选择题
— _____ do you practice _____ tennis?
—Twice a week.[ ]
A. How long, play
B. How far, play
C. How many times, playing
D. How often, playing
答案
答案：D
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— _____ do you practice _____ tennis?
—Twice a week.[ ]
A. How long, play
B. How far, play
C. How many times, playing
D. How often, playing
答案：D