с английским, умоляю, 8 класс, вставить правильную форму

Our earth is our home. animals and birds are necessary. they are needed to retain the balance in the world of nature.there are wild animals and domestic animals. "the domestic animals" are animals that have been tamed and kept by humans as a work animal, food source or pet. there are different kinds of domestic animals: cow, buffalo, sheep, goat, dog, cat, elephant, horse, camel, cock, hen, parrot, pigeon. domestic animals are very useful for men. for exsample, cow gives us milk. dogs are very faithful animals and they watch our houses. domestic animals do very useful jobs for our benefit, so we should treat them with all kindness. wild animals generally live in forests - lion, tiger, wild animals can be found in all ecosystems, desert, rainforests, plains and other areas. wild animals are important for their beauty, economic, scientific and survival value. it is very important to protect animals.