来自樊友平的问题
hemadeuphismindtodevotehislife__pollution___happilyAtoprevent;toliveBtopreventing;fromlivingCtoprevent;fromlivingDtopreventing;tolive
hemadeuphismindtodevotehislife__pollution___happily
Atoprevent;tolive
Btopreventing;fromliving
Ctoprevent;fromliving
Dtopreventing;tolive
