English
is
the
world's
language
.
Such
____________________
has
its
downside
,
of
course
.
There
are
now
about
6
,
800
languages
left
in
the
world
,
compared
with
perhaps
____________________
that
number
back
at
the
dawn
of
agriculture
.
Thanks
in
____________________
to
the
rise
of
über
-
languages
,
most
importantly
English
,
the
remaining
languages
are
now
____________________
at
the
____________________
of
about
one
a
fortnight
.
