Răspuns:
1/ a) The gray and the dirt is the poluation.
b) The dirt and smoking is coming from the cars and factories.
c) They are walking on the street.
d) They aren't running very fast because They aren't see.
e) Yes it do and is not good.
f) Because the air is not healthy and the place is very dirty.
g) Yes, it is but you can't see it.
h) No they can't
2/ a) You are smelling the flower.
b) He is driving a car very fast.
