1
.
Oh
,
I
?
m
sorry
to
disturb
you
.
I
____________________
____________________
____________________
(
not
/
realize
)
you
had
a
visitor
.
2
.
____________________
you
____________________
(
study
)
economics
when
you
____________________
(
be
)
at
university
?
3
.
She
____________________
____________________
____________________
(
not
/
accept
)
the
job
because
the
salary
was
too
low
.
4
.
Last
week
a
number
of
customers
____________________
(
complain
)
about
slow
service
.
5
.
____________________
you
____________________
(
visit
)
the
Acropolis
when
you
were
in
Greece
?
6
.
I
am
writing
with
reference
to
the
order
I
____________________
(
place
)
with
you
last
week
.
7
.
At
last
year
?
s
launch
party
,
who
____________________
you
____________________
(
hire
)
to
do
the
catering
?
