[ Grammar ]
Psychologists conducted an ____ study about the negative effects of video games on young children.
A. extent
B. extensive
C. extensively
D. extend

Random Topics:
Mixed Present TensesGrammar - Place and MovementModal Verbs of PermissionNarrative Tenses & ConditionalsToeic VerbInterrogative PronounsMoods of GrammarAdjectives and comparisonsFuture PlansPresent Simple and Continuous TenseOther quiz:
Reported Speech › View“The film began at seven o’clock,” he said.
A. He said that the film had begun at seven o’clock
B. He said that the film has begun at seven o’clock
Grammar › View
Bad news …………………..make people happy.
A. doesn’t
B. don’t
Apostrophes and Grammar › ViewWe __________ standing in a line.
A. was
B. were
Negative Questions › View
When is a negative question used?
A. To show surprise or doubt
B. In an exclamation
C. When you expect the listener to agree
D. All of the above
E. None of the above
