a - This house was built by someone 200 years ago.

b - My purse was stolen by a thief.

c - The robbers will be arrested by the police.

d - Cars are produced by them in this factory.

e - Breakfast is served by them at eight o'clock every day,

f - Tones of rubbish are trown by people every day.

g - Coffee is made by them in Brazil.

h - Jim's bike was stolen by someone last night.