[ 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

Random Topics:
Pre-intermediatePresent Simple and ContinuousRoot WordPersonal PronounPast Progressive TenseFuture Tenses and ModalsStative Verbs and TensesFigurative LanguageNoun Verb AgreementIdentify The TensesOther quiz:
Vocabulary and Grammar › ViewChoose the correct form of ‘unless’: You won’t succeed ________ you try your best.
A. if
B. unless
C. until
D. although
Grammar › View
My friend is riding a bull. He is riding ____on the farm.
A. him
B. her
C. it
D. he
Prepositions › ViewShe thinks she will run ___ four hours.
A. to
B. on
C. for
D. go
Grammar › View
My grandma’s house
A. Sentence
B. Fragment
