Passive Voice Practice

A. Turn the following active constructions into passive ones (omit the doer of the action):

1) Are they sending for you?

2) What do you call this device?

3)People say this exam is very difficult.

4) In his circle they looked on the police as enemies.

5) No one has made any mistakes.

6) They asked me to stay another week.

7) No one has ever beaten my grandfather at chess.

8) They will show the visitors all the new pictures.

9) We must look into the matter.

10) They gave me two pounds change at the shop.

11) Everybody thought that Nicholas was lazy.

12) People have made great progress in genetics.