HEEELP!Выберите из скобок требующуюся форму причастия.

Model: Yesterday we saw a house (decorating, decorated) by him.
Yesterday we saw a house decorated by him.

1. Here is the letter (receiving, received) by me yesterday. 2. The girl (washing, washed) the window is my sister. 3. We cannot see the sun (covering, covered) with dark clouds. 4. I told my friends about some places(visiting, visited) by me last year. 5. Yesterday we were at the conference (organizing, organized) by the General Manager.

decorated, received, washing, covered, visited, organized