What is a fossil?
A. The remains or impression of a prehistoric organism preserved in petrified form.
B. A type of rock formed from volcanic activity.
C. A living organism that has existed for millions of years.
D. A modern animal that has been preserved in ice.

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Past form of ModalsGerunds & Infinitives + VocabularyPassive Voice, Modals of Deduction and First ConditionalPast Simple vs Present SimplePresent Verb TensesTOEIC Tenses, VerbsGerund or InfinitivesSimple Present and Simple PastModal Verb in Passive VoiceGrammar - Present Perfect with for and sinceOther quiz:
Grammar › ViewDo you prefer geography … history?
A. so
B. and
C. or
Correlative Conjunctions › View
Identify the correlative conjunctions in the sentence: ‘Both the cat and the dog are sleeping peacefully.’
A. Both…cat
B. cat…dog
C. Both…and
D. sleeping peacefully
Articles › ViewThere´s ___ elephant in the zoo. That´s a really big elephant.
A. a
B. an
C. the
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Adverb Clauses › View
The track star is a fierce competitor since he won the 5K race.
What is the adverb clause?
A. since he won the 5K race
B. The track star is a fierce competitor
C. won the 5K race
D. fierce competitor since he won
