Fill in since or for it has been ​

1.since

2.since

3.for

4.since

5.for , since

6.for

7.since

8.since

9.for

10.since

перевод:

1. дождь шел со вчерашнего дня

2.у мери не было никаких гостей еще с прошлого года

3.отец тома строил свой дом на протяжении двух лет

4.питер и кэйт знали друг друга   с 10 лет

5.я не выходил на протяжении 3 дней.я болеле еще с субботы

6.мой друг работал над проэктом на протяжении 2 недель

7.она начала готовить с того момента, когда она пришла домой

8.я знаю эту песню еще с детства/ я вспомнил эту песню.я был еще ребенком

9.они ждали этого звонка на протяжении 15 минут

10.анна изучала с того момента когда она вернулась с (а дальше скрин кончился : ) )

уравнение электролитической диссоциации хлорида кальция

cacl2 = ca(2+) +

English is considered official language in many countries of the world. english very popular - it is learned at many schools and universities. now very many people learn english. so why for them it is necessary? it is very interesting and fascinating to learn english. изучать язык - это интересно и увлекательно. язык считается официальным языком во многих странах мира. язык популярный - он изучается во многих школах и университетах. сейчас многие люди учат язык. так зачем же им это нужно?

Learning foreign languages is important nowadays. i think that any educated person must learn foreign languages. but i prefer english to other foreign languages. why? english is becoming a global language. a half of billion people in the world use english at home or work. english is the language which is known for the most part of our fine, magnificent and surprising world. english is so widespread that it has become the standard language for all kinds of international communication. a lot of problems of the 21st century, such as the problems of war and peace, ecology, can not be solved without speaking the same language. the english language is now the first language of about 350 million people, the native language of 12 nations and the official language of more than 33 nations. it means that one of seven people in the world speaks english. english is also the international language of businesspeople, pilots and air traffic controllers, sportsmen, scientists and students. if you want to be a stewardess, a pilot or an air control officer you have to learn english, the language of international communication. every year thousands of people from russia go to different countries as tourists or to work. they can’t go without knowing the language of the country they are going to. a modern engineer or even a worker cannot work with an imported instrument or a machine if he is not able to read the instruction how to do that. some people learn english because they need it in their work; others to travel aboard and for lots of people learning english is just a hobby. i have been learning english since the age of 11. i like learning english very much. but i like and know well my native language, russian. the great german poet goethe once said: “he, who knows no foreign language, does not know his own one.” i agree with him. the knowledge of english helps me to learn russian. the knowledge of english is a great power. i need to know english. i must appreciate and embrace this knowledge as the key to achievement of my dream. i hope my progress in english will be very good.