题目内容
Ⅲ.单项填空
() 1. My grandparents are,because they often exercise.
A. healthy B. unhealthy
C. health D. healthier
1. A
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Ⅲ.单项填空
() 1. My grandparents are,because they often exercise.
A. healthy B. unhealthy
C. health D. healthier