[ Mixed General Quiz ]
As of 1997, the populations of South Korea and North Korea ___ around 46 million and 15 million, respectively.
a. were
b. was
c. is

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Definite vs Zero Article Abstract NounsToo or Enoughso vs suchQuantifiers: too many, too much & enoughConditional ClauseAuxiliary Verbs, if, unless and ModalVerb + PrepositionPreposition on TimeGrammar and PrepositionWorld Literature VocabularyOther quiz:
Grammar › ViewWhat is an adverb?
A. person, place or thing
B. describes the noun
C. describes the verb, adjective or another adverb
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Conditional › View
Which sentence is correct?
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B. I would rather we didn’t arrive late.
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A. must
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Articles and Demonstratives › View
Choose the correct article: ___ umbrella
A. some
B. a
C. the
D. an