Sahara desertOnline version Listen to the recording and choose the right option. by Jorge González 1 The Sahara desert is ________ as old as we thought. a new b seven c twice d sea 2 A ______ report from a climate research centre says it is _______ million years old. Choose one or more answers a new b sea c years d seven 3 Researchers worked out that a lot of North Africa became desert seven million years ago. A ______ started to dry, so there was less rain. This helped to make sand dunes, and started the Sahara. a desert b sea c He d old 4 The Sahara is a famous and big ________. It covers 10 per cent of Africa, from the Atlantic _______ to the Red Sea. Choose one or more answers a years b desert c ocean d sea 5 A researcher does not think the Sahara is so _____. a he b twice c old d we 6 He said the new report has no facts. _______ said nothing in the Sahara is older than 500,000 years old. a we b years c ocean d He 7 ______ only know about the Sahara's climate from 10,000 ________ ago. Choose one or more answers a new b we c sea d years
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