[ Definite vs Zero Article Abstract Nouns ]
___ research conducted in the last 5 years has been remarkable.
A. the
B. (-)
Select your answer:
Random Topics:
Countable & Uncountable NounsComparisonsFigure of SpeechContrast Linking WordsPast ParticipleVerbals and GerundsAction, Helping & Linking VerbsQuantifiers MixPrepotitionsOther quiz:
Grammar › ViewPlease__________your shoes before entering the house.
A. remove
B. removes
C. removed
D. removing
Grammar › View
Ali _________ at home after school.
A. studies
B. studied
C. studying
D. study