3 BUILD YOUR VOCABULARY Look at the
words in blue in the text. Which two words
are verbs? Use the words to complete the
sentences.
1 Sharks don't often
2 There are
humans.
6,000 wild tigers in the world.
3 Some people are trying to — endangered
animals.
4 There are more people who die in — with
chairs than with animals.
5 Human are changing the climate.
6 There is a lot of ___ in big cities.
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