[ Grammar ]
The technology, _______ over several years, has revolutionized the industry.
A. developing
B. developed
C. develops
D. develop
Select your answer:
Random Topics:
Time PhrasesTypes of Sentence StructuresTag QuestionObject PronounFuture SimpleQuantifiers & Modal VerbsIntermediate GrammarSimiles and Body IdiomsAdjectives-Comparison, SuperlativeOther quiz:
Grammar › ViewAmy … nine years old
A. is
B. are
C. am
Grammar › View
The sun ____ since this morning.
A. has shining
B. has shined
C. has shone
D. has been shining