harmful
问题Salty water is generally harmful ______ plants.A、forB、toC、withD、over
Saltywaterisgenerallyharmful______plants.A、forB、toC、withD、over
问题We usually think of pollution _____ a harmful waste substance.A、forB、asC、byD、about
Weusuallythinkofpollution_____aharmfulwastesubstance.A、forB、asC、byD、about