[ Grammar ]
Human being is …… mammal. Scientist believe it is the ……. intelligent mammal on Earth.
A. an , more
B. a , more
C. a , most
D. an , most
Select your answer:

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Vocabulary & GrammarCountable & Uncountable NounsIdiomsAdjectives and ArticlesMuch, many, a lot of, a few, a littlePresent Simple and Present ContinuousHomophonesProverbsEmployment VocabularyOn, At, ByOther quiz:
Modal Verbs › ViewShe ___ finish her report by tomorrow.
A. might
B. can
C. must
D. will
Grammar › View
We have lived here ____________ 2008.
A. for
B. since
C. in
D. on
