Умоляю Вас! 
Нужно написать письмо на английском, с обяснением(причины)почему я не смогу прийти на новогоднюю вечеринку друга. 
Должно быть 80-100 слов. 
На уровень 7-8 класса. 

HiI wasn`t able to come to your New Year party,because I`d an exams.I think you can understand it.Sorry me.But I hope I`ll come to your next one.How are you? did you enjoy the party?What time did   guests come? How many people did you invite?.I`m absolutely confident that you had a great party.See you soon)