4, People learn languages in what way?

5, We were advised not to go out alone.

6, I wasn’t given the money by the girl.

The money wasn’t given to me by the girl.

7, I was asked several difficult questions at the interview by a man.

8, I wasn’t told the story.

The story wasn’t told to me.

9, People used oil lamps years ago.

10, The earth is protected from harmful radiation from the sun by the atmosphere.

11, Were you seen coming in?

12, Somebody broke into the house.

13, His mother didn’t take care of him.

14, Fish will be served to the guests by them about ten minutes from now.

15, That company will publish a textbook next year.

16, My friends told me to change the way.

17, Many famous plays were written by Shakespeare.

18, Ann will be invited to the party by Bill.

19, That theory was developed by Doctor Ikeda.

20, The small fishing village was destroyed by a storm.

21, Hundreds of people visit the Washington Monument every day.