DO
NOT
USE
CONTRACTIONS
!
!
!
!
!
!
!
!
!
!
Not
long
ago
,
people
____________________
____________________
____________________
(
not
listen
)
to
portable
music
.
They
____________________
____________________
____________________
(
not
have
)
MP3
players
-
they
____________________
(
have
)
old
-
fashioned
gramophones
and
they
bought
records
.
Portable
music
players
____________________
____________________
____________________
(
not
exist
)
until
the
1980s
,
when
Sony
____________________
(
invent
)
the
Walkman
.
After
that
,
CDs
____________________
(
become
)
very
popular
.
Then
,
in
2001
,
Apple
____________________
(
create
)
their
first
MP3
player
,
the
iPod
.
People
____________________
(
love
)
it
-
Apple
____________________
(
sell
)
more
than
half
a
million
iPods
in
the
first
year
.
