问题
选择题
—Do you often exercise?
—Yes. I think exercising helps us ______. [ ]
A. keeping healthy
B. to keep health
C. keeping in good health
D. to keep in good health
答案
答案：D
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—Do you often exercise?
—Yes. I think exercising helps us ______. [ ]
A. keeping healthy
B. to keep health
C. keeping in good health
D. to keep in good health
答案：D