Digital SAT: Verb Tense 3

1. In her study of early navigation techniques, Dr. Patel explains that sailors in the Pacific ______ complex systems of stars to determine their position at sea. These methods required extensive memorization and training.

2. By the time the policy was formally adopted, several experts ______ concerns about its long-term economic impact. Nevertheless, lawmakers proceeded with its implementation.

3. The map of available parking spaces near several downtown garages ______ in real time as drivers enter and exit the lots. Visitors use the map to decide where to park before they arrive.

4. During the restructuring process, the company, along with several external consultants, ______ strategies to improve operational efficiency. These efforts ultimately led to increased profitability.

5. Recent studies have indicated that prolonged exposure to noise pollution ______ negative effects on cognitive performance. These findings have prompted changes in urban design.

6. Before the development of modern computing systems, calculations of this complexity ______ hours or even days to complete. Today, they can be performed almost instantly.

7. The research team ______ significant progress over the past several weeks, although additional testing is still necessary. Their preliminary results are promising.

8. One of the students in several advanced biology classes ______ the greenhouse’s temperature readings each morning. The data help the class track how changes in light and humidity affect plant growth.

9. After the engineers ______ the prototype, they immediately began testing its durability under extreme conditions. The results exceeded expectations.

10. To address concerns about accessibility, the organization ______ a series of programs designed to support underserved communities. These initiatives have expanded significantly in recent years.