Dogs
and
humans
have
a
special
relationship
,
____________________
____________________
good
friends
.
Dogs
____________________
humans
in
many
ways
,
like
helping
as
police
dogs
.
Humans
____________________
police
dogs
in
a
special
school
.
A
____________________
____________________
a
loyal
animal
.
A
____________________
____________________
____________________
everyday
with
his
dog
.
Dogs
are
good
partners
.
A
police
dog
____________________
to
his
partner
and
____________________
only
____________________
when
the
police
officer
____________________
him
.
In
the
story
,
Aero
and
Officer
Mike
____________________
and
____________________
together
.
