Ответ:
1) The note was written by a left-handed person.
2) The letter was written by a teenager with left hand.
3) He was knocked down by a flower pot that fell out of a seven-floor wondow.
4) He was hit on the head and face with a broken chair leg.
5) The guests were entertained with his stories.
6) The earth is covered with fallen leaves.
7) the trees were brought down by the wind.
8) The building was destroyed by fire.
9) She was killed by her lover with a knife.
10) The process is initiated with a special device.