Question

1. sentence: the ceremony begins promptly at 10 a.m. in the main hall. what is the effect of the adverb promptly in the sentence? it explains exactly when the ceremony starts. it changes the purpose of the ceremony. it describes who is speaking. it names the location of the hall.

Explanation:

Adverbs modify verbs, adjectives, or other adverbs. In this sentence, "promptly" modifies the verb "begins" and gives more information about the time - when the ceremony starts. It emphasizes the punctuality of the start time.

Answer:

It explains exactly when the ceremony starts.