1 After hours of cutting through the ____ we finally reached the camp. 2 When visiting some countries it is advisable to have vaccinations against ____. 3 I spent days staying with a tribe who live in tree houses in the forest ____. 4 The adder is the only ____ naturally found in the UK. 5 The Amazon ____ covers an area of 5.5 million km2 . 6 Due to high rainfall in the region ____ are very common. As a result, many people have moved to higher areas. 7 Headlice are a common ____ in children. They are easily removed with a special shampoo. 8 The blue whale is well-known as the biggest ____ on the planet.

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Canvia de fonament

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