[ 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:
Present Simple & Present Continuous › ViewWhat a pity that the sun ________ in the sea in Varna?
A. doesn’t set
B. isn’t setting
Mixed General Quiz › View
The skier went ___ the starting gate.
a. through
b. though
This 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