I
____________________
(
work
)
for
DRT
Computer
Systems
.
At
the
moment
I
____________________
____________________
(
install
)
a
new
system
in
a
local
supermarket
.
Heinrich
is
a
film
producer
.
He
____________________
(
make
)
documentaries
,
and
at
the
moment
he
____________________
____________________
(
make
)
a
film
about
elephants
in
Africa
.
I
usually
____________________
(
go
)
to
work
by
car
,
but
because
of
the
road
works
this
week
,
I
____________________
____________________
(
travel
)
by
train
.
They
____________________
____________________
(
sell
)
these
machines
at
half
price
because
there
are
some
new
models
on
the
way
,
but
they
usually
____________________
(
cost
)
$500
.
I
____________________
(
think
)
that
Herr
Fischer
____________________
____________________
(
have
)
a
meeting
at
the
moment
.
