1
.
While
they
____________________
____________________
(
WATCH
)
TV
,
Peter
____________________
(
KNOCK
)
on
the
door
.
2
.
It
____________________
(
START
)
to
rain
while
she
____________________
____________________
(
WATER
)
the
flowers
in
the
garden
.
3
.
I
____________________
____________________
(
LISTEN
)
to
music
when
my
mother
____________________
(
CALL
)
me
.
4
.
While
she
____________________
____________________
(
EAT
)
an
apple
,
her
boyfriend
____________________
(
TAKE
)
a
photo
.
5
.
We
____________________
____________________
(
WAIT
)
at
the
station
when
the
train
____________________
(
ARRIVE
)
.
6
.
They
____________________
____________________
(
PLAY
)
cards
when
the
postman
____________________
(
ARRIVE
)
.
