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 humans.
2 There are — 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.