Прошу помогите, даю все что можно

Вправа 1(доповніть речення необхідними прийменниками)

This girl wants to buy a bouquet …… flowers

I am giving this bouquet……the girl

This bouquet of flowers is bought ….. the girl

I am talking …..this girl.

The number ….. students has enlarged this year.

I will see him at the end ….. the month.

He showed his collection….. stamps ….. his friend.

The article was translated ….. my colleaque.

Не opened the door …… the key.