1) Scientists ________ new animals in the Amazon rainforest. a) has found b) have found c) have been found d) have been founding 2) The population of Tokyo ________ quickly for ten years. a) has growed b) has been growth c) has been growing d) have growing 3) Countries _______ together to fight climate change. a) have been working b) has been working c) have worked d) has working 4) Researchers _______ a vaccine for many diseases. a) has make b) have been made c) have making d) have made 5) The Eiffel Tower ______ millions of visitors since it was built. a) has been had b) has had c) has have d) have had 6) Conservationists ______ many species from extinction. a) have been saved b) have saved c) been saving d) has saved 7) Many countries ________ using wind and solar power. a) have started b) have been started c) have been starting d) has started 8) Scientists ______ climate change effects. a) have been studied b) has studied c) have been studying d) have studied 9) Forests ________ because of deforestation. a) have shrinked b) have shrunk c) have been shrinking d) has been shrinking 10) Ocean levels _________ over the past years. a) have rose b) have risen c) has been risen d) have been rising 11) People _________ trees to help the environment. a) has planted b) have been planting c) has been planting d) has been planted 12) Pollution _________ in some cities thanks to new policies. a) has decreased b) have decreased c) have been decreasing d) having decreasing 13) Global warming _______ many species. a) has been affecting b) have affecting c) have been affected d) has affected 14) We _______ waste by recycling more. a) has been reducing b) have been reducing c) has reduced d) have reduce

World Knowledge Quiz

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