1
.
The
teacher
asked
us
to
talk
about
the
(
____________________
____________________
____________________
)
of
industrial
development
2
.
The
police
found
nothing
special
in
the
house
of
the
criminal
as
he
had
taken
all
the
important
documents
with
him
,
leaving
just
(
____________________
____________________
____________________
)
3
.
Don't
worry
about
the
problems
you
have
in
your
business
.
You
know
there
are
always
(
____________________
____________________
____________________
)
in
business
.
4
.
If
you
think
that
doing
this
maths
problem
is
(
____________________
____________________
of
____________________
)
just
try
i
t
