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AIR POLLUTION IS NOW A GROWING ________ TO ALL LIV...
AIR POLLUTION IS NOW A GROWING ________ TO ALL LIVING CREATURES, I...
MULTIPLE CHOICE TEST GRADE 12 DOC
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Đáp án tham khảo
18. Air pollution is now a growing ________ to all living creatures, including humans.
A. hazard
B. threat
C. peril
D. risk
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18.
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MULTIPLE CHOICE TEST GRADE 12 DOC