[ Grammar ]
The technology, _______ over several years, has revolutionized the industry.
A. developing
B. developed
C. develops
D. develop

Random Topics:
Grammar: so and suchContractions and ConjunctionsPunctuationsFamily Members and Present SimplePassive with ModalsPresent Perfect ContinuousProgessive TensesQuestion TagsGrammar (Adverbs, Prepositions, Prepositional Phrases)GerundOther quiz:
Grammar › ViewHazel gave Faye a wonderful birthday present.
The verb is ________________.
A. Wonderful
B. Gave
C. Birthday
D. Present
E. None of the above
Grammar › View
Complete the sentence with the correct PRESENT SIMPLE form of the verb. ¨He _____ (call) me on Sundays.¨
A. call
B. calles
C. calls
D. callies
Correlative Conjunction & Complex Sentences › ViewThis car is so expensive, ….?
A. is it
B. isn’t it
C. aren’t you
D. aren’t I
Past Tenses › View
Marian … Mary two years ago.
A. has met
B. was meeting
C. met
