[ Definite vs Zero Article Abstract Nouns ]
___ alternative energies that have been most recently developed are superior to previous ones.
A. the
B. (-)

Random Topics:
InfinitivesPreposition and Preposition PhraseSimple Present Continuous TensePreposition of DirectionAdverb Clause ConnectorNarrative TensesBe going to / WillPunctuationConjunctions and PrepositionSimple Present and Simple PastOther quiz:
Modals of Obligation › ViewYou ……………………… eat in class. It´s forbidden.
A. don´t have to
B. can
C. shouldn´t
D. mustn´t
Grammar & Vocabulary › View
I sent you a text this morning. Did you get _______?
A. them
B. it
C. me
D. you
Grammar › ViewI ______ read a book last month.
A. didn’t
B. did
C. walked
D. listened
Grammar › View
Mary reached there at dawn. /Spacial question/
A. Who reached there at dawn?
B. Who reach there at dawn?
