IN ONE WELL-KNOWN CITY, POISONOUS GASES FROM CARS ………. THE AIR POLL...

Question

79.In one well-known city, poisonous gases from cars ………. the air polluted so much.A. grow B. save C. make D. protect

Answer

A. grow B. save C. make D. protect

79.In one well-known city, poisonous gases from cars ………. the air polluted so