问题
选择题
_______ is good _______ your health. [ ]
A. Do eye exercise, for
B. Doing exercise, for
C. Do eye exercises, to
D. Doing eye exercises, to
答案
答案：B
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_______ is good _______ your health. [ ]
A. Do eye exercise, for
B. Doing exercise, for
C. Do eye exercises, to
D. Doing eye exercises, to
答案：B