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The Himalayan mountains are __________ difficult to climb.
especially
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The night sky was __________ dark away from the city lights
completely
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We were __________ affected by the beauty of the sunset.
deeply
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The Grand Canyon was formed by __________ from the Colorado River.
erosion
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The __________ erupted and formed a new island in the ocean.
volcano
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The Earth's __________ are responsible for continental drift
plates
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The Himalayas are one of the world's most famous ___________
mountain ranges
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A terrible accident occurred when the two boats __________
collided
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Lake Baikal is __________ deeper than Lake Tanganyika
slightly
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A tour to Antarctica is __________ expensive these days, but I still want to go.
incredibly
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Okay!
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