Theexperimentshowsth的精選

問題詳情：Theexperimentshowsthatproperamountsofexercise，if __ regularly，canimproveourhealth．（）A．beingcarriedout     B．carryingoutC．carriedout  D．tocarryout【回答】C知識點：非謂語動詞題型：選擇題...