13. Smoke, dirt and noise are all kinds of
C. pollutants
14 February.
C. on
B. polluting
D. polluter
A. pollute
14. I have been invited to a wedding
A. in
В. оf
D. at
15. George doesn't smoke and he doesn't drink. → George
A. both smokes and drinks
B. either smokes or drinks
C. neither ...
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