zad.7 Choose the correct option. The trees in the river / waterfall /forest are home to many animals. 1 We didn't swim in the sea because we heard that there was a 4m long beaver / shark / deer swimming close to the beach. 2 This was a forest but people have cut down / cut out/ cut off all the trees. 3 Some people think that air / climate / global warming doesn't exist! Isn't it stupid? 4 We should do more to destroy / protect / pollute the environment before it's too 5 They went on a safari in Africa where they saw a family of dolphins/lions / bears. ​