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A tall ____ separates India and Nepal. (mountain range, island)
mountain range
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We drove through the ____ (high) mountain range in the US.
highest
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The Mississippi is the ___ (long) river in the North America.
longest
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Tokyo is the _____ (crowded) city in Japan.
most crowded
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A ____ is a mountain with a hole at the top that erupts with lava, gas, and dust. (desert, volcano)
volcano
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The river is really _______. You need a boat to cross it. (narrow, deep)
deep
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That kind of rock is really _____ around here. It's in everyone's yard and garden. (common, small)
common
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Close your eyes and _____ you are in a forest. (sting, imagine)
imagine
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The crocodile is a strange-looking ___. (creature, taipan)
creature
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The Amazon is ____ in South America that is full of interesting plants and animals. (a waterfall, a rainforest)
a rainforest
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I live in the ____ (expensive) apartment building in the city.
most expensive
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The ______ (big) city in California is Los Angeles.
biggest
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He ____ the pills with a cup of water. (attacked, swallowed)
swallowed
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It was hot, so we went swimming in the ____. (country, lake)
lake
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Deserts are the _____ (dry) places in the world.
driest
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The ____ move around the sun. (planets, venom)
planets
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What is the ____ (popular) food in your country?
most popular
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In my country, the ____ (cold) month is December.
coldest
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I prefer to live in a cold ____. (tentacle, region, saltwater)
region
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She is the ____(good) singer in the world.
best
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Okay!
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