V. Заполните пробелы глаголами to be, to have, to do, обращая внимание на их функции. Предложения переведите на русский язык 1) They ... to become the basis for the solution of a great number of problems.
2) Chemistry … of great importance for modern industry.
3) He … much work to do yesterday.
4) They … no car.
5) He …. work as much as you ….
6) What is … cannot be undone.

ответ: 1-a) we  should not  burn  garbage.  it.            2- c) plants  growing  in the sea            3-c) greenpeace  protect  the oceans,  rivers, seas  and lakes            4-c)  we can  help the animals  if  we do not  cut wood            5-a)  we can help  the fish  if we do not  pollute the  oceans, rivers  and lakes

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1. shorter 2. best 3. many 4. more modern 5. sunnier 6. happier .

the first us president known to all americans as "the father of the nation" was george washington.he was born in virginia into a planter's family.when he was 11 his father died.the family had a lot of land but not enough money to send george to school in england as rich families used to do at that time.george learned to ride a horse,to hunt,shoot,sail and swim.george washington began his career in the service of his county as a major in virginia militia and later became commander in chief of colonial army during revolutionary war.he was among those who wrote the us constitution in philadelphia.people respected him for his wisdom and honesty.after the war george wanted to retire and live at mount vernon where he had a beautiful house and a big platation.on april 30, 1789,before a large crowd washington promised to preserve,protect and defend the constitution of usa.this is how gw became the first president of the contry and served 2 terms.he refused a 3rd term and in 1797 he retired to mount vernon where he died 2 years later