The .................from the sun make life on Earth possible., hot, heat, In the 18th century , it took several mounts for travelers from Europe to ..............North America, reach, follow, Everyone knows it is .........to climb Mount Everest., difficult, unique, In many parts of Australia, wildfire are a problem,..............in summer., especially, very, Lions from different groups often ..............each other., fight, chance, In many sports,when you ..........the ball, the other team get it., fall, drop, Many people worry that we are ..............too many forests., fighting, destroying, The Grand Canyon shows us how beautiful..........can be., heat, nature.

Practice 2A

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