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Theexperimentshowsthatproperamountsofexercise,if 

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問題詳情:

Theexperimentshowsthatproperamountsofexercise,if 

The experiment shows that proper amounts of exercise,if  __  regularly,can improve our health.(  )

A.being carried out      B.carrying out

C.carried out   D.to carry out

【回答】

C

知識點:非謂語動詞

題型:選擇題

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