Soru: Which adverb of frequency best completes the sentence: "He _____ visits his parents."
A) never
B) often
C) yesterday
D) now
Çözüm: Adverbs of frequency describe how often an action occurs. "Often" means frequently. Therefore, the correct sentence is "He often visits his parents." "Never" implies he doesn't visit them at all, "yesterday" is a time adverb, and "now" indicates the present moment.