... Polluting 10 We are now facing the possible of several rare species a danger b variety c existence d disappearance III GRAMMAR AND STRUCTURE A Choose the word or phrase - a, b, c, or d - that ... was worked in this area A B C D 10 The children are only allowed watching television on the weekend A B C D IV SPEAKING Choose phrase or sentence - a, b, c, or d - that best completes the conversations ... the passage? a Conservation b Protect the Natures! c The Environment d Save the Earth! TEST FOR UNIT 10 I PRONUNCIATION A Choose the word that has the underlined part pronounced differently from...