Выберите один ответ: dear mr. smith, thank you so much for your kind invitation to take part in the international congress to be held next month.dear friend, thank you so much for your kind invitation to take part in the international congress to be held next month.dear mr. smith, thank you so much for your kind invitation to take part in the international congress to be held next month.dear mr. smith, thank you so much for your kind invitation to take part in the international congress to be held next month.