The parcel was brought to my house by boy

A beautiful new car was driven by Sonia

Nice tunes were sung by two birds

Old coins were buried by Henry

A good novel had been written by journalist

The lesson wasn't studied by Martin

A new project is being prepared by John

A last picture has been sold by famous painter

Tina was called by Alicia two days ago

Tina's hair was combed by my aunt in the bathroom

Ответ:

1) the parcel was brought to my house by the boy.

2) A beautiful new car was driven by Sonia.

3)Nice tunes were sung by two birds.

4)Some old coins were buried in the garden by Henry.

5)A good novel has been written by the journalist.

6)The lesson wasn`t studied by Martin.

7) A new project is being pepared by John at work.

8)His last  picture was sold .

9)Her friend Tina was called by Alicia 2 days ago.

10)Tina`s hair was combed by my aunt.

11)TV was watched by Alexandr.

12)Sister`s flat was cleaned by Rosalia.

13)All the final exams were passed by them.

14)The tellevision was switced off  at 9.30 p.m. by my mom.

15) The homework hasn`t been done by Sergio today.

16 A good meal for me has been cooked by you.

17)The dishes were being washed by Paul after dinner.

18)Lorenzo is being tought the alfabet by Walter.

19) Two plates were broken by Oskar in the afternoon.

20)The competition was won by my football team.

Объяснение: