For questions 1-8, read the text below and decide which answer (А, В, C or D) best fits each gap. There is an example at the beginning (0).
Wolves are carnivorous mammals that can be found all 0_____ the globe. They 1 in size and colour, but one thing remains the same – they are 2 by both people and smaller animals. Wolf is a 3 animal, which means that they prefer to live and hunt in packs, or large groups; they are territorial, so they tend to stick to a certain area that usually covers around 40 square miles.
Monogamous by nature, wolves stay with the same 4 until they die. Wolves are commonly disliked by humans and hunters because they tend to 5 on livestock. If population of the animal is at risk of going out of 6 , local governments might issue a decree to reduce it. This is done to prevent wolves from 7 the balance of the local ecosystem.