I
____________________
____________________
for
the
bus
,
when
it
started
raining
.
She
____________________
____________________
a
letter
,
when
her
mother
called
.
They
____________________
____________________
to
the
theatre
,
when
the
train
stopped
working
.
My
mother
____________________
____________________
on
the
mobile
phone
last
night
.
I
____________________
____________________
with
my
friend
yesterday
.
You
____________________
____________________
science
an
hour
ago
.
It
____________________
____________________
when
I
visited
Germany
last
year
.
He
____________________
____________________
his
room
,
when
his
dog
came
in
.
