[ Quantifiers and Articles ]
The biosphere ranges from the atmosphere to _______ deepest ocean floor: the zones of air, soil, and water that are capable of supporting life.
A. the
B. a
C. an
D. some

Random Topics:
ComparisonsSimple Present and Present ContinuosGerund & InfinitiveAdjective and AdverbPast form of ModalsDependent PrepositionsModals for DeductionSubjunctiveVocabulary and DefinitionsPrepositions - ConjunctionsOther quiz:
Vocabulary and Grammar › ViewThis town used 50% __________ other towns
A. more electricity than
B. more than electricity
C. than more electricity
D. electricity more than
Phrasal Verbs › View
Maybe you should _____ a hobby!
A. look after
B. take up
C. run out of
D. sign up
Grammar › ViewShe wasn’t exactly running in the same circles as me.
A. alliteration
B. repetition
C. idiom
D. hyperbole
Grammar › View
_________letter and ________ envelope
A. a,a
B. an, a
C. an, an
D. a,an
