Respuestas
a) Money - pay online:
Afirmativa: In the 90's people USED TO pay with money.
Negativa: In the 90's people DIDN'T USED TO pay online.
b) Paper books - digital books:
Afirmativa: In the 90's people USED TO read paper books.
Negativa: In the 90's people DIDN'T USED TO digital books.
c) Photo albums - Photo galleries:
Afirmativa: People in the 90's USED TO see their memories in photo albums.
Negativa: People in the 90's DIDN'T USED TO see their memories in photo galleries.
d) Letters - E mails:
Afirmativa: People in the 90s USED TO communicate through letters.
Negativa: People in the 90's DIDN'T USED TO communicate via email.
e) Paper - text messages:
Afirmativa: In the 90s, people USED TO talk to their friends through papers.
Negativa: In the 90s peole DIDN'T USED TO talk to their friends through text messages.
ESPERO HABERTE AYUDADO UWU