[ Vocabulary ]
Which of the following can be a pollutant?
A. Fossil Fuel
B. Volcano Lava
C. Forest fires
D. All answers are correct

Random Topics:
Grammar of Conjunctions and PrepotitionsRelative Clauses & Real ConditionalsAdjectivesCohesive DevicesDemonstrative PronounEnglish ArticleFirst ConditionalPresent Progressive TenseAdjective ClauseFunctional Sentence TypesOther quiz:
Grammar and Vocabulary › ViewThese are all the episodes in one year of a series.
A. reviews
B. addicted to
C. dubbed
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Preposition on Time › View
I get up ___ seven o’clock.
A. at
B. on
C. in
D. X