问题
选择题
It is reported that the water in the river is becoming worse and worse, the river around the city ____ with waste from factories．
A．polluting
B．polluted
C．having polluted
D．to pollute
答案
答案：B
本题考查非谓语动词。the city与pollute关系为被动关系，故用过去分词作定语，选B。