Задайте во к предложению,используя во слова в скобках
1 the teacher has seen mike"s report (who)
2 they have left for london (where)
3 lisa has eaten the cake (what)
4 dan has done the exercise well (how)
5 he has laughed loudly (why)
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English is an international means of communication. Many people learn English for work or for travelling. About 20% of the world's population speak English. It can help you to understand people if you are abroad. You can also read books or watch filmes in original. I study English because it is necessary for career growth and my future development. English is very interesting, but it’s difficult for me yet. I hope I will know this language well in the future. Certainly, the language that unites the peoples of the world is important for society. But we shouldn’t forget the consequences’ scale of the mass adoption of a foreign language. For example, studying French was widely spread in the beginning of the 19th century (eventually - The War of 1812). In the 20th century German caused two world wars (both mainly provoked by Germany). Now it is the 21st century, the century of progress and technologies. The English language is spreading around the world, so can’t we avoid the war with the USA and Great Britain or maybe with the EU? Probably we have to just remember that fanaticism and widescale oblivion have already showed us 3 centuries of people’s madness. I admit that I am not an opponent of linguistics and foreign languages. After tracing the logic chain, I just believe it is worth considering about the upcoming world language domination and countries speaking it.

Dear Olga, ( можно использовать любое другое имя или просто friend)
How are you? I hope you are ok.  We have a great time last weekends, is not it? Well, as you know, i invited to me my friend Jenny, who lives in France.  Today i got a letter from her and she said that she is going to come in Moscow on summer holidays. I was so happy, when knew that! So, i would  like to ask you, what are sights really should  visited? Moscow is buatiful  and very big city, but  the matter is that she will come only one week. Of course,  we should be attend a Red Square. What would you advise in this situation? I really hope for your help! So, i had better go now as i  have got loads of homework to do. Teke care and  answer as soon as possible! 
All tte best,
Твое имя( Например, Alexs)