The teacher won't correct the exercises  tomorrow

11. The teacher won't correct the exercises  tomorrow
= the exercises
12. People should stop experiments on animals
= Experiments on aniamls
13.We might find life on another planets
=Life
14. We have to improve all the school in the city
=All the school in the city
15.they are going to build a new brild a new bridge in the area
= A new bridge