Исправте ошибки : 1)when your brother gets home? 2)my mum have lunch at home.3)we do your exercises every morning.

1)when does  your brother get home? 2)my mum has lunch at home.3)we do our exercises every morning.

текст:

why do we sleep? from birth, we (spend) a third of our lives asleep but scientists srill (not/know) exacly why.

why (humans/have) problems sleeping? in modern society, many people (not/get) the recommended seven or eight hours a night. we (work) long hours and we rarely (go) to bed at sunset.

why (we/sleep) differently? it (depend) on the time of year and also our age. teenagers always (need) more sleep than adults. lots of elderly people (not/sleep) longer than four or five hours, but they often (take) naps during the day.

перевод:

почему мы спим? с рождения мы (проводим) треть нашей жизни во сне, но ученые не знают точно, почему.

почему (у людей / есть) проблемы со сном? в современном обществе многие люди (не/получают) рекомендуемые семь или восемь часов в сутки. мы (работаем) долгие часы и редко ложимся спать на закате.

почему (мы/спим) по-разному? это зависит от времени года, а также нашего возраста. подростки всегда () в большем количестве сна, чем взрослые. многие пожилые люди (не/спят) дольше четырех или пяти часов, но они часто (принимают) сон в течение дня.

Nutrition is a necessary process to maintain human life. without food and water people can live only a few days. ali in order to be healthy, you need not just to eat but to eat properly. healthy eating means eating foods in the correct mode and quantity, in addition, they must be balanced.recommended daily regime of eating four times - breakfast, lunch, snack and dinner. the amount of food for consumption depends on the age and activity level (mental and physical) and hours of the day. food should contain enough proteins, fats, carbohydrates, vitamins, minerals and water.the most important compounds to sustain life are proteins, vitamins and minerals. ali health also need a certain amount of fats and carbohydrates. so you need to choose the products so that all these elements were balanced. for example, proteins in large quantities contained in meat, fish, eggs, dairy and soy products. fats predominate in oily products, and carbohydrates in confectioneries, cereals and products made from flour. vitamins and minerals rich in fruits, vegetables and cereals.