Bonsoir j’ai besoin d’une correction de l’exercice 1 s’il vous plaît

Bonjour 


exercice 2

In Britain, passers-by are spied upon by an increasing number of CCTV cameras.
The efficiency of the system against terrorism hasn't been proved yet.
And more and more citizens are worried by the extension of surveillance of other places.
They feel that the right of privacy is threatened by the system.
Authorities are criticized by civil rights associations for this extensive use of CCTV cameras.

En espérant que cela aide encore 
bonne journée :)