Ответ:

Объяснение:

1. In this day and age, technology plays a crucial role in our daily lives.

2. A few decades ago, people relied on typewriters to write documents.

3. In the last century, significant advancements were made in the field of medicine.

4. Nowadays, social media platforms have become the primary means of communication for many.

5. Not so long ago, cassette tapes were the popular choice for listening to music.

6. In the Middle Ages, knights and castles were common sights across Europe.