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 professor (n) 2 ecology (n) 3 compulsory (adj) 4 palaeontology (n) 5 extinct (adj) 6 ancestor (n) 7 immediately (adv) that must be done because of a law or a rule without delay no longer in existence a university teacher of the highest rank the study of the relation of plants and living creatures to each other and to their environment the study of fossils as a way of getting information about the history of life on Earth a person in your family who lived a long time ago
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