Complete the sentences. Use such a/an, such or so.
It was exciting book that I couldn't stop reading it.
We had __ exciting book that I couldn't stop reading it.
We had ___ fun at the beach! It was___so hot that we stayed in the sea.​

English : Dolphins-aquatic mammals of the suborder toothed whales. Dolphins, like all cetaceans, breathe air periodically floated to the surface. Feed mainly on fish and squid, although some prefer the shrimp and other crustaceans, and killer whales also eat sea turtles, aquatic mammals and birds. The majority of dolphins, males are larger than females and in some species are distinguished from them by higher dorsal fin. Known individuals under the age of 50 years, although in most species the maximum life expectancy of 20-25 years.
Перевод на русский : Дельфины-водные млекопитающие подотряда зубаcтых китов. Дельфины, как все китообразные, дышат воздухом, периодически всплывать на поверхность. Питаются в основном рыбой и кальмарами, хотя некоторые предпочитают креветок и других ракообразных, а косатки поедают также морских черепах, водных млекопитающих и птиц. У большинства дельфинов самцы крупнее самок и у некоторых видов отличаются от них более высоким спинным плавником. Известны особи в возрасте до 50 лет, хотя у большинства видов максимальная продолжительность жизни 20-25 лет.

Forests play a major role in developing the economy, improving the environment. The trees themselves - a fuel suppliers, and most importantly - wood for construction projects and technical craft materials. so what do you think in deforestation over plus or minus?Timber companies that supply the world of wood and paper products, also cut down countless trees for the construction of roads and as a result of urban growth. However, not all lesoistreblenie is intentional - some is due to a combination of human and natural factors, such as forest fires and overgrazing, which does not allow growth of young trees.On the other hand forest - a habitat for the majority ofanimal species, it is the breadwinner of animals and humans, giving themnuts, berries, mushrooms, edible shoots of grass and lichens. Forest ecosystems are very important for the life of the biosphere: theyenriching the atmosphere with oxygen .Lesa play an important role in the water cycle. Forest soils filter the water flowing from the fields and industrial sites, andpurified them from many contaminants. Forest ecosystems evaporated inair moisture and beneficial effect on the climate by increasing humidityair.Considering all the circumstances, I conclude that it is necessary to reduce deforestation and to look for alternative ideas. We chat because it is dependent on the nature and nee.i I would like that other generations have seen the beauty of nature, and not something that leaves a land raped.