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. In her analysis of Renaissance art, the historian ______ how painters manipulated perspective to create depth. Her interpretations continue to influence modern scholarship.

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. In his lectures on ethics, the philosopher ______ that moral decisions often depend on context rather than fixed principles. His work continues to be widely studied.

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.