Rewrite the sentences

11. Ann had fed the cats before she went to the cinema
=>>>The cats
12.The students have discussed the pollution problems since last week.
=>The pollution problems.
13.The thieves have stolen the most valuable painting in the national museum
=>The most valuable painting
14.They speak three languages in Canada.
=>Three languages
15.My father is repairing those shoes
→ Those shoes
16.He has broken his nose in a football match.
His nose.