( )such heavy pollution today,it may now be too late to clea

( )such heavy pollution today,it may now be too late to clea -----such heavy pollution already,it may now be too late to ——such heavy pollution already,it may now be too late to cle ___such heavy pollution already,it may now be too late to cl ___such heavy pollution already, it may now be too late to c ____such heavy pollution already,it may now be too late to c having suffered such heavy pollution already,it may now be t Having suffered sruch heavy pollution already it may now be as is known to everybody ,it may now be too late to clean up it may now be too late to clean up the river没怎么理解 now,donnot,if,go,but,i,too,will,it,be,late,football,play,to, 英语翻译It's too late,to be smart now,I'm all out of clever thin