Bài 1 :
1. All the flights were cancelled because of dog
2. We were advised not to go out alone
3. I wasn't given the money by the girl 
 The money wasn't given to me by the girl
4. I was asked several difficult questions at the interview by a man
5. I wasn't told the story
The story wasn't told to me
6. Oil-lamps was used thousands years ago.
7. When was that hospital opened ?
8. Were you seen come in 
9.My house was broken into .
10 . Many famous plays were writen by shakespeare