[ Subject-Verb Agreement ]
The world (change, changes) so rapidly that we can hardly keep up.
A. Change
B. Changes

Random Topics:
Progressive TensesExclamationFuture - be going toGrammar: Imperative and Exclamatory SentencesIndefinite and Intensive NounVerb Tenses and UsagePresent Perfect and Past SimpleComparisonsToo or EnoughDo / Have / Can - Basic QuestionsOther quiz:
Preposition of Direction › ViewThe frightened deer disappeared _____ the forest.
A. into
B. onto
Perfect Tenses › View
James _______ Marjorie since they met at university in 2008.
A. has known
B. has been knowing
C. had known
D. had been knowing
Grammar › ViewMark is … (tall) than Claire.
A. taller
B. tall
Grammar › View
Identify the sentence that uses correct hyphenation.
A. The teacher gave us a pre-test on the post-World War II period.
B. The teacher gave us a pretest on the post-World War II period.
C. The teacher gave us a pretest on the postWorld War II period.
