Example:
Peter writes a letter.
_________________
Answer:
A letter is written. or
A letter is written by Peter.
1) Julia rescued three cats.
.
2) The students handed in the reports.
.
3) Maria crashed into the blue car.
.
4) Alex learned the poem.
.
5) Steven has forgotten the book.
.
6) The mechanic has not repaired the DVD recorder.
.
7) They play handball.
.
8) Sue puts the rucksack on the floor.
.
9) The girls had lost the match.
.
10) The teacher is not going to open the window.