问题
选择题
Yoga (瑜伽) helps people to keep healthy and relaxed, _______? [ ]
A. does it
B. doesn't it
C. is it
D. isn't it
答案
答案：B
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Yoga (瑜伽) helps people to keep healthy and relaxed, _______? [ ]
A. does it
B. doesn't it
C. is it
D. isn't it
答案：B