Topics: Vocabulary & Grammar
. Which of the following describes “air pollution”?
A. Clear and fresh air
B. Harmful substances in the atmosphere
C. A type of weather phenomenon
D. A method of farming
Select your answer:

Random Topics:
Verbs & Verb TensesPast Simple & Past ContinuousThe Present Progressive TenseComplex PrepositionsFirst ConditionalPhrases & ClausesAdverbs (manners & modifiers)Do not or Does notCorrelative ConjunctionSimple Present Continuous TenseOther quiz:
Articles › ViewRanjit was shocked to see _____ iguana lying on the sofa.
A. a
B. an
Preposition of Direction › View
Zander was scolded for putting his feet _____ the desk.
A. above
B. on
C. in
D. below
