Respuesta:
1. When my gradfather uses a cell phone, he feels fascinated.
2. Nowadays computers are small but in 1900 computers were enormous.
3. In 1900 people loved to listen to the radio.
4. In 1900 people believed that virtual reality was impossible.
Aquí está la respuesta original (hecha por mí)
https://brainly.lat/tarea/50254806
¿Podrías ser más especifico con lo de emparejar?
