问题
选择题
We all know that doing morning exercises ______. [ ]
A. is good for our healthy
B. are good for our healthy
C. are good for our health
D. is good for our health
答案
答案：D
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We all know that doing morning exercises ______. [ ]
A. is good for our healthy
B. are good for our healthy
C. are good for our health
D. is good for our health
答案：D