Réponse :
Bonjour
Explications :
1) This house is haunted by a ghost
2) He was followed by two policemen
3) This bridge was built by the Romans a lond time ago
4) This book has been written by my friend
5) America was discovered by C.Columbus in 1492
6) He was killed by the Germans during the war
7) It will be posted by my uncle next week
8) This film is directed by a french producer
9) Polluters will be prosecuted by the government
10) They have been recognized by everybody
11) We have been invited by our neighbours
12) It's used by people all over the world
13) This palace is owned by a prince
14) The door was suddenly opened by somebody
