1
.
The
bird
____________________
____________________
(
SING
)
when
the
cat
____________________
(
ATTACK
)
it
.
2
.
Peter
____________________
(
BREAK
)
his
leg
while
he
____________________
____________________
(
RUN
)
in
the
park
.
3
.
I
____________________
(
LOSE
)
my
money
while
I
____________________
____________________
(
WAIT
)
for
the
bus
.
4
.
The
thief
____________________
____________________
(
RUN
)
away
when
the
policeman
____________________
(
CATCH
)
him
.
5
.
While
he
____________________
____________________
(
VISIT
)
his
grandparents
,
he
____________________
(
MEET
)
a
nice
girl
.
6
.
Susan
____________________
____________________
(
CLEAN
)
the
windows
when
she
____________________
(
HURT
)
her
shoulder
.
