Select the correct Active/Passive form of the given sentence.

Someone dropped this wallet on the road.

This wallet was dropped on the road.

The correct Active/Passive form of the given sentence is This wallet was dropped on the road.

The original sentence is in the Active voice, with the subject "someone" performing the action of "dropping" the wallet on the road. The passive voice of the sentence would have the wallet as the subject, and the action of "being dropped" would be performed on it. The correct passive voice form of the sentence would be "This wallet was dropped on the road."

The other options are incorrect. This wallet has been dropped on the road is in the passive voice, but the verb tense is incorrect. The verb "has been" is used to indicate that the action of dropping the wallet happened in the past and continues to have an effect in the present. However, the sentence does not indicate that the wallet is still on the road.

This wallet had been dropped on the road is in the passive voice, but the verb tense is also incorrect. The verb "had been" is used to indicate that the action of dropping the wallet happened in the past before another event that is also in the past. However, the sentence does not indicate that another event happened before the wallet was dropped.

This wallet on the road was being dropped by someone is in the active voice, but the word order is incorrect. The correct word order for the active voice is "subject + verb + object."