THE AIR HAS BECOME MORE AND MORE POLLUTED BECAUSE OF EXHAUST FUMES...
30.
The air has become more and more polluted because of exhaust fumes from vehicles.
A. preserved
B. wasted
C. contaminated
D. conserved
ELIB.VN: THƯ VIỆN TRỰC TUYẾN MIỄN PHÍ
40
Choose the underlined word or phrase in each sentence that needs correction.