Помогите переделать предложения в passive voice
Somebody sent me a bunch of flowers . The man from the flower shop delivered them to my house . He told me that they were a present . A young man had ordered them . He had put no card in the flowers . I still don't know who sent them.

A bunch of flowers was sent me by somebody. They were dilivered ti my house by the man from the flower shop. I was told that they were a present.  They had been ordered by a young man. The card hadn't  been put in the flowers by him. I still don't know by whom they were sent.