Life
in
____________________
modern
world
is
easier
in
some
way
than
____________________
life
our
grandparents
lived
.
Advances
in
technology
have
made
it
more
comfortable
.
We
have
only
to
compare
____________________
convenience
of
travelling
by
air
to
____________________
long
journeys
by
land
and
sea
that
were
common
____________________
hundred
years
ago
.
In
particular
,
medical
science
has
done
____________________
great
deal
to
combat
disease
.
____________________
terrible
problems
of
childbirth
,
for
example
,
are
almost
____________________
thing
of
____________________
past
.
But
____________________
life
we
lead
today
has
its
disadvantages
too
.
