1. The government (play)...... a crucial role in (provide)........healthcare services to its citizens. 2. Currently, more and more people(choose)........ to work remotely due to technological advancements. 3. In the past, people (rely)................... heavily on traditional means of communication, such as letters and telegrams. 4. At that time in the 19th century, many immigrants (arrive).................. in the United States seeking better opportunities. 5. In the future, renewable energy sources (replace)...................... fossil fuels as a primary energy source. 6. Over the last 100 years, technology (greatly/improve) ............................ our quality of life. 7. The company (experience)................. rapid growth before the economic recession(hit)...............