Réponse :
2//
a) These rooms are cleaned every day.
b) Glass is made from sand.
c) Stamps are sold in post office
d) This room is not used very often
e) Are we allowed to park here ?
f) How is this word pronounced ?
3//.
a) The house was painted last month.
b) 3 people were injured in the accident
c) My bicycle was stolen a few days ago.
d) When was the bridge built ?
e) Were you invited to the party last week ?
f) How were the windows broken ?
g) I wasn't woken up by the noise
Explications :