6、________him,heisgettingonwellwithhiswork. A. help B.tohelp C.helping D.helps6.Wind______electricity(电)widelyinmanypartsoftheworld.A.usedtoproduceB.isusedtoproducingC.isusedtoproduceD.usedtoproducing7.Beer_______alcohol;drinkingtoomuchofitwilldoharmtothehealth.