Theexperimentshowsthatproperamountsofexercise,ifregularly,canimproveourhealth.
A.beingcarriedout
B.carryingout
C.carriedout
D.tocarryout
正确答案:C
Theexperimentshowsthatproperamountsofexercise,ifregularly,canimproveourhealth.
A.beingcarriedout
B.carryingout
C.carriedout
D.tocarryout
正确答案:C