Respuesta :
From what i think it would be the total number of participants was tallied up by the volunteers.
Answer:
She makes the most of the opportunities she's given.
Explanation:
Although the dependent clause (she's given) uses passive voice, the independent clause has the verb in the active voice: makes. The subject she performs the action denoted by this verb.
The other verbs (can be observed; was tallied up; can be turned in) are used in the passive voice.