[ Pre-intermediate ]
Psychologists know a lot _____ fears
A. of
B. about
C. on

Random Topics:
Countable - Uncountableso vs suchUncountable NounsGerunds and TensesVerb Types and TensesAdverbClauses and ConjunctionPossessive NounsPassive Voice and ModalsSimple Present and Present ContinuosOther quiz:
Phrases › ViewWhich one is a noun phrase?
A. well done
B. cute dogs
C. surprisingly beautiful
D. very fast
Adverbs and Time Expressions › View
How does ‘since’ indicate a specific time frame?
A. Since indicates a specific time frame by marking a starting point in time.
B. Since marks the end of a time frame.
C. Since refers to a general time period.
D. Since is used to indicate future events.
Comparative › ViewMarcela is _______ Karla.
A. uglier than
B. uglies than
C. more uglier than
D. more uglies than
Grammar › View
Some places are very ________. They have an unusual attraction and interesting looks.
A. narrow down
B. exotic
C. mysterious