Запишите глаголов форме настоящего продолженного времени i (write) a letter to my friend

I am writing a letter to my friend.

После завоевания независимости и возникновения единого государства США первый президент страны Дж. Вашингтон предложил отмечать День благодарения как национальный праздник ежегодно 26 ноября. В 1864 году по окончании Гражданской войны А. Линкольн провозгласил последний четверг ноября каждого года Днём благодарения.

Объяснение:

After gaining independence and the emergence of a united state of the United States, the first president of the country, George Washington, proposed celebrating Thanksgiving Day as a national holiday every year on November 26. In 1864, after the end of the Civil War, A. Lincoln proclaimed the last Thursday of November every year as Thanksgiving Day.

2. I had been waiting for him for 20 minutes when I realised that I was in the wrong restaurant.
3. At the time the factory closed down, Sarah had been working there for five years.
4. The orchestra had been playing for ten minutes when a man in the audience suddenly began shouting. 
5. I had been walking along the road for five minutes when I saw a monster. 

16.3

1. It was very noisy next door. Our neighbours were having a party.
2. We were good friends. We had known each other for a long time.
3. John and I went for a walk. I had difficulty keeping up with him because he was walking so fast.
4. Mary was sitting on the ground. She was out of breath. She had been running.
5. When I arrived, everybody was sitting round the table with their mouths full. They were eating.
6. When I arrived, everybody was sitting round the table and talking. Their mouths were empty but their stomachs were full. They had eaten.
7. Jim was on his hands and knees on the floor. He was looking for his contact lens.
8. When I arrived, Kate was waiting for me. She was rather annoyed with me because I was late and she had been waiting for a very long time.
9. I was sad when I sold my car. I had had it for a very long time.
10. We were extremely tired at the end of the journey. We had been travelling for more than 24 hours.