A
man
and
a
woman
are
standing
in
the
station
.
The
train
is
____________________
,
and
they
have
been
waiting
for
it
for
a
long
time
.
They
bought
their
tickets
from
a
machine
.
They
used
bills
and
____________________
to
pay
for
the
tickets
because
the
machine
doesn't
take
credit
cards
.
They
are
having
an
interesting
____________________
about
business
.
They
often
talk
about
their
business
as
they
ride
the
train
to
work
.
As
soon
as
the
train
arrives
,
they
will
____________________
it
and
look
for
a
seat
in
the
dining
car
.