Multiple choice softskills leadership These cherry trees have bloomed every spring ___ 1980. For After Since None of these Reveal answer Fill a bubble to check yourself C Correct answer Explanation 'Since' is correct because it marks the beginning of a continuing action (1980) that continues to the present. The present perfect 'have bloomed' requires 'since' + point in time, not 'for' + duration. 'After' would change the meaning.