[ Grammar ]
The scientist’s findings were considered _____ in the field of biotechnology, prompting further research into the subject.
A. derivative
B. ground-breaking
C. anachronistic
D. peripheral
Select your answer:

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Past with ModalsPresent Forms and Narrative TensesPersonal PronounPresent Simple, Present Continuous or Present PerfectPhrases and TensesShould and Shouldn'tInfinitivesParallelism and Subject Verb AgreementTenses StructureVerbs and Possessive AdjectiveOther quiz:
Grammar › ViewWho ____ in the hallway, it is very noisy.
A. is
B. are
C. was
D. were
Gerund and Infinitive › View
Lots of people have complained …………… the noise.
A. to
B. by
C. about
