[ Definite vs Zero Article Abstract Nouns ]
___ research conducted in the last 5 years has been remarkable.
A. the
B. (-)

Random Topics:
Future Tense VerbPrepositionSo or SuchAdverbs of DegreeModals and ConditionalsMust or Mus notRelative ClauseSimple Past ContinuosPresent Tense (Negatives and Questions)Gerund Subject or ObjectOther quiz:
Grammar › ViewWhich sentence is correct?
A. A small apple is growing.
B. A small is apple growing.
C. An apple is small growing.
D. An apple small is growing.
Ving - To V › View
If the company continues …. money the factory may be closed
A. lose
B. to lose
C. losing
D. to losing
Prepositions › ViewI live ……. Valencia
A. In
B. On
C. At
Tenses › View
Adverbs used with Simple Present Tense:
A. today, at present, at the moment, still, now etc.
B. always, usually, seldom, never, sometimes, often, frequently, generally
C. tomorrow, next day, in five minutes, later today
