THE AIR IS POLLUTED ________ THERE IS TOO MUCH TRAFFIC. A. WHICH B....
9. The air is polluted ________ there is too much traffic.
A. which
B. who
C. whom
D. that
A. because
B. but
C. however
D. therefore
9. The air is polluted ________ there is too much traffic.
A. which
B. who
C. whom
D. that
A. because
B. but
C. however
D. therefore