1)This church was built in 1973.
2)Many difficult question were asked me.
3)My piano is being repairing.
4) A house is being built, isn't it?
5) A lot of homework is being done by students.
6)Our children were looked after when we were out.
7)This room hasn't been used for ages.
8)The dog was hit in the garden by the boy yesterday.
9)Considerable damage has been caused by the fire.
10) Several new propisals are being considered by the committee.
11)This letter may not be opened , may they?
12)A present was bought on her birthday.
