Task 3. Choose the Correct Verb Form (Past Simple/Past Continuous) Underline the right option: 1. While Columbus sailed / was sailing to America, his crew kept / was keeping logbook.

• 1. While Columbus was sailing to America, his crew was keeping logbook.

Explanation: The Past Continuous is used here to describe an ongoing action in the past (sailing, keeping) that was interrupted or happening concurrently with another past action.