2.Listen and complete a dialogue with the words  from the box  given below.
 wi ll  be (x2)    wou ld  become     had    were  (x2)    cont inue 
 would  try    wou ld  ma ke    wou ld  ban    are taken 

A: I say, Mary. T here’s an artic le about water po ll ution again in today’s
   newspaper. 90  % of the river  pollution is due to industrial waste.
B:   The problem of water shortages has just started. If people  (1) … living
   like this, this problem (2)  … even worse.
A: If I  (3)  … the world leader, I  (4)  … to stop the destruction of the earth
  and I (5)  … the world a better place for all people.
B:   What would you do?
A: If I  (6)  …  the power, I  (7)  …  all cars from city centres and increase
   public transport. If there  (8)  … more trees, the air we breathe (9)  …
   cleaner. In addition, I would introduce laws to reduce pollution.
B:  Why don’t you write an article to our local newspaper with your
   suggestions? Unless measures  (10) … soon, it  (11) … too late both for
   ourselves and our children.