Question

1. sentence: the event takes place annually, attracting participants from all over. how does the adverb annually affect the meaning of the sentence? it explains how often the event occurs. it tells who participates in the event. it describes the size and popularity of the event. it changes the events purpose.

Explanation:

The adverb "annually" is a time - frequency adverb. It indicates the periodicity of the event's occurrence.

Answer:

It explains how often the event occurs.