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

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Simple Past Tense & Future TenseTransitional WordsPresent Tense (Negatives and Questions)Present Simple & ContinuesDescriptionsWishes and TensesSpeech TensesCoordinating & Subordinating ConjunctionsModal Verbs & Reflexive PronounsVerbs – Nouns – Adjectives - AdverbsOther quiz:
Verb Tenses › ViewDifferentiate between the verb forms in the following sentence: “She (write) a letter when the phone rang.”
A. writes
B. wrote
C. was writing
D. had written
Vocabulary › View
impressive and expensive looking
A. distant
B. cautiously
C. mighty
D. majestic
E. sumptuous
