IF WE ... THEWATER,WE WILL HAVE NO FRESH WATER TO USE.A. POLLUTING...
13. If we ... thewater,we will have no fresh water to use.
A. polluting
B. pollution
C. pollute
D. polluted
13. If we ... thewater,we will have no fresh water to use.
A. polluting
B. pollution
C. pollute
D. polluted