<STRONG>CHOOSE THE LETTER A, B, C OR D TO COMPLETE THE PASSAGE BELOW</STRONG> AIR POLLUTION IS ONE OF _________ (6) PROBLEMS OF THE CURRENT TIME ALL OVER THE WORLD. THERE ___________ (7) A LOT OF REASONS FOR THIS POLLUTION. FIRST OF ALL, THE RELEASE OF AIR POLLUTANTS SUCH AS SMOG AND SOLID MATERIALS CAUSE AIR POLLUTION AND HEALTH ISSUES ___________ (8) HUMAN. ___________ (9) DIRTY WASTES IN BIG CITIES ARE POLLUTING THE WHOLE ATMOSPHERIC AIR. THIRDLY, MOTOR VEHICLES ARE RELEASING POLLUTED GASES CONTRIBUTING TO THE AIR POLLUTION. FINALLY, SOME NATURAL ________ (10) LIKE DUST, SOIL PARTICLES, AND NATURAL GASES ARE ALSO THE SOURCE OF AIR POLLUTION.
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Level:
Medium
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Question Types: Multiple choice
Answers:
- serious
- more serious
- the most serious
- serious than