1.Rice is grown in tropical countries.
2.French isn't spoken here.
3.His windows were broken by someone last night.
4.The lost boy wasn't found by police yesterday.
5.This live show is being watched by about thirty million people now.
6.The murderer hasn't been found by police yet.
7.The package will be wraped carefully before I post it.
8.Old men should be treated by children with respect.
9.All the accounts can be done by the computer.
10.That house isn't going to be bought by Mr John.
11.Will that building be used for meeting?
12.The exercises won't be corected by teacher tomorrow.
13.Dangerous chemicals have to be kept in the safe place.
14.That room may be used for the classroom.
15.This room has used by nobody for ages.
16.That problem can be solved by no one.
17.The ending of the story wasn't told by Paul.
18.A prize will be given to her by the teacher if she works well.
19.The robber was found by the police in the forest yesterday.
20.Him was made to work all day.
21.The road to school must be widened this year.
22.Have the pollution problems been discussed since last week?
23.Is milk used for making butter and cheese?
24.More schools are going to be built for disabled children.
25.His second-hand cassette recorder was thrown away.