[ Vocabulary and Grammar ]
Polar bears are just one of several ____ of bear.
A. species
B. extinct
C. wild
D. protect
Select your answer:

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Relative - ConditionalModal, Causative Verb & Elliptical StructureConnectorsGerunds and ModalsPast Perfect TensesPronunciation and VocabularySimiles and Body IdiomsInfinitives and ING FormsPast and Present ContinuousDeterminers & QuantifiersOther quiz:
Vocabulary › ViewA number without a variable; a number by itself; a quantity that does not change its value
A. Constant
B. Algebraic Expression
C. Coefficient
D. Distributive Property
E. Equation
Gerund vs. Infinitive › View
He considered …………. a new job, but then he changed his mind.
A. Get
B. To get
C. Getting
