13 The cats had been fed by Ann before she went to the cinema
14 The pollution problems have been discussed by the students since last week
15 Has the most valuable painting in the national museum been stolen by the thieves
16 The new president will be interviewed on TV
17 How many languages are spoken in Canada
18 Are those shoes going to be repaired
19 His nose has been broken in a football match
20 Have the above sentences been finished
21 Rice is eaten by him everyday
22 This cake was made yesterday
23 How is this amount of money spent
24 I wonder whether Susan or Jane will be chosen for the position
25 How was the lost man found by the police