Exercice 2 , pour mettre à la voix passive svp..

1 : while they were away their house was broken by a tramp
2 : the two suspects were questionned by the police officers
3 : the case was easily solved by the detective
4 : the welsons 's jewels were stolen by them
5 :they were woken up bya spooky scream
6 : the bank clerks were threatened by the robbers with a machine gun