[ 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:
Adjective Suffixes › ViewI didn’t enjoy running the marathon. It was more —– than I expected.
A. challenged
B. challenging
C. challengeful
Modals › View
I looked everywhere but I can’t find Mrs. Smith.
A. She must at home.
B. She must be at home.
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
