1
.
____________________
pegeos
can
find
their
way
home
from
hundreds
of
miles
away
.
2
.
____________________
pigeons
that
we
feed
at
the
park
are
not
afraid
of
people
.
3
.
I
don't
know
anything
about
____________________
cars
.
4
.
I
don't
know
anything
about
____________________
cars
produced
in
Britain
.
5
.
____________________
airplanes
are
fascinating
machines
.
6
.
____________________
airplanes
of
World
War
II
were
fascinating
machines
.
