2.The export division is managed by Mr. Sam.

=> Mr.Sam manages the export division.

3.English is spoken.

=> Everyone speaks English.

4.The bike is riden by Nina avery evening.

=> Nina rides the bike every evening.

5.Information technology is studied everyday.

=> Many people studies information technology

6.An English book is bought by my best friend .

=> My best friend buys an English book

7.The dog is sold by Sam.

=> Sam sells the dog

8.My room is decorated.

=> I decorate my room

9.The car is washed.

=> He washes the car

10.The house is cleaned

=> I clean the house.