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THE AIR HAS BECOME MORE AND MORE POLLUTED BECAUSE...
THE AIR HAS BECOME MORE AND MORE POLLUTED BECAUSE OF EXHAUST FUME...
1000 CAU TRAC NGHIEM ANH 9
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364. The air has become more and more polluted because of exhaust fumes from motor vehicles.a. conserved b. contaminated c. preserved d wasted
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364.
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1000 CAU TRAC NGHIEM ANH 9