Giúp mình với ạ cảm ơn nhiều nhiều lắm ạ

1. How did the police find the lost man? (Change into Passive Voice) 2. They declared that she had won the competition. (Change into Passive 3. Have they changed the window of the laboratory? (Change into Passiv 4. "Can I borrow your typewriter, Janet?" asked Peter. (Change into Repo 5 ...