Relier Pairs 24/7 Listening Vocabulary MatchVersion en ligne Test your knowledge of key concepts related to 24/7 listening and communication. par ngô nhi 1 palaeontology (n) 2 ancestor (n) 3 ecology (n) 4 professor (n) 5 immediately (adv) 6 compulsory (adj) 7 extinct (adj) no longer in existence a person in your family who lived a long time ago the study of the relation of plants and living creatures to each other and to their environment a university teacher of the highest rank without delay that must be done because of a law or a rule the study of fossils as a way of getting information about the history of life on Earth
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