Atnight,plants
問題詳情: Atnight,plants_________carbondioxideandatthesametime_________oxygen.So,wemayputsomeinourbedroomstopurifytheair. A.takein,giveout B.takeup,giveoff C.takein,givein...
問題詳情: Atnight,plants_________carbondioxideandatthesametime_________oxygen.So,wemayputsomeinourbedroomstopurifytheair. A.takein,giveout B.takeup,giveoff C.takein,givein...