Unit 259 Guidebook: narrate past events
핵심 구문
Narrate past events
We
had
been
walking
for
hours
.
The
building
was
falling
apart
,
so
we
had
to
be
careful
.
When
I
tried
to
turn
on
my
flashlight
,
nothing
happened
!
After
I
had
been
hiding
inside
,
the
sky
looked
so
bright
.