Once
upon
a
time
there
____________________
(
to
be
)
a
terrible
viking
called
Olav
Beasten
.
With
his
arms
____________________
(
can
)
fight
versus
a
bull
and
____________________
(
win
)
in
few
seconds
.
He
____________________
(
wear
)
a
helmet
with
hundred
horns
one
for
each
victory
,
for
this
reason
all
people
____________________
(
know
)
who
____________________
(
to
be
)
him
.
