Помогите!!! Заблаговременно спасибо;)В данных предложениях употребите наречия ALREADY либо YET по

Помогите!!! Заблаговременно спасибо;)
В данных предложениях употребите наречия ALREADY либо YET по модели:
She hasn't arrived. SHE HASN'T ARRIVED YET. WE HAVE SEEN THE FILM. WE HAVE ALREADY SEEN THE FILM.
1) I haven't met Mary.
2) She hasn't returned from the country.
3) We've had our dinner.
4) They haven't received her letter.
5) The storm has passed.
6) The actors have performed this play.
7) We haven't been to St. Petersburg.
8) He has passed the examination.