Помогите, пожалуйста, написать полуофициальное (semi-formal) письмо по английскому (100-140 слов)!
Вот предыстория:
You have just a spend a month in England doing an english course at language school. You stayes with a lady called Mrs Smith while you were there.
Write a letter to Mrs Smith thanking her for your enjoyable stay and asking her to send you a diary you left in your room by accident.