EXERCISE 21. Fill in the blanks with the articles a, an, the where nec- essary
Everyone from ... Britain is ... British, but only ... people from ...
England are ... English. Don't call ... Scottish or Welsh person ... En-
glish. He won't like it. Everyone speaks ... English, but they do not all
speak it in ... same way. ... Scottish person has to listen carefully to un-
derstand ... Londoner. And when ... Welsh person speaks, everyone
knows at once where he comes from. ... Welsh are especially proud of
their language, and you can see ... road signs in ... Welsh all over Wales.
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Healthy food is very important for a man.  Eating fresh vegetables and fruit as well meat and dairy products have a great impact on our lifestyle.  If you work hard, you diet should contain more protein,  If you work not so much physically too much protein and fat can be harmful.  As to me I try to keep to healthy diet.  In the morning I eat cereals and drink some tea.  At eleven o'clock I eat some apples.  For  lunch I usually have some soup and chicken with potatoes or rice.  I can also eat some sweets after lunch.  In the evening for supper I usually have salad with meat.  However at the weekend I can eat some junk food such as chips and hamburgers.  But I never drink Coca-cola.  So I think I should stop eating this junk food.  When summer comes, I shall be eating a lot of fresh vegetables.

Mighty and enduring master of the Arctic, the polar bear, the largest carnivore on land! Some males weigh a ton! The main weapon of the bear's powerful claws. With one blow he can stun large harp seal, to say nothing of the seal, whose fat for him – a favorite treat.
Hours a bear lying in holes in the ice waiting for prey. But if the ice is big, he throws himself on the seal in the water. Bear dives and swims well. In water it does not freeze, because under his skin – a thick layer of fat, and thick warm fur coat protects from the cold. The giants, the cubs are born the size of with just the mitten! The she-bear feeds them with milk, holding on his belly and covering his paws. Snow in the den the kids warm and secure. And after two months, and mother will lead the cubs on first walks.