1
.
I'm
really
hungry
.
I
____________________
____________________
____________________
(
not
eat
)
yet
.
2
.
They
____________________
(
arrive
)
a
week
ago
.
3
.
We
____________________
____________________
(
work
)
here
for
three
years
.
4
.
They
____________________
____________________
____________________
(
not
recognize
)
me
at
yesterday's
meeting
.
5
.
Our
neighbour
____________________
____________________
(
be
)
in
hospital
since
Friday
.
6
.
____________________
____________________
____________________
(
travel
)
abroad
many
times
?
