摘要: doing
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Doing exercise for_____ hour every day is good for your _____ uncle.
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A.a, an | B.an, an | C.a , / | D.an , / |
---Doing sports ___ good for our health.
--- Yes, so I do morning _____ every day.
A.is, exercise | B.is, exercises |
C.are, exercise | D.are, exercises |