Question:
Air ____, together with littering, is causing many problems in our cities today.
-
A.
sorry -
B.
pollution -
C.
polluting -
D.
tarnished
Reference explanation:
Correct answer: GET
Air pollutiontogether with littering, is causing many problems in our cities today.
The blank to be filled in is a noun
Air pollution, along with littering, is causing many problems in our cities today.
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