1. They cancelled all the flights because of fog 
=> All the flights .....were cancelled because of fog..
2. people advised us not to go out alone
=> We ....were advised not to go out alone.....
3. the girl did not give me the money
=> I .....wasn't given the money by the girl.......
4. A man asked me several difficult questions at the interview
=> I .....was asked several difficult questions at the interview by a man
5. nobody told me the story 
=> I.........wasn't told the story....