The adverb (s) and / or adverb phrase (s) in the sentence is/are in the sentence the family will arrive at church soon The ad firm would be at church only soon only both at church in soon which one

The adverb in the sentence above is only soon.

Explanation:

Adverb is the word or phrases that different taste to the verb. It modifies the verb used. "Soon" in the above sentence determines the manner of being fast. We can also check adverbs by questioning "where", "when", "how" etc.

The "church "in the sentence determines the place and do not modifies any meaning of the verb, hence "only soon" is the adverb there.