Select the option that expresses the given sentence in active voice.

All the electric poles in the suburbs were destroyed by the cyclone last year.

The cyclone destroyed all the electric poles in the suburbs last year.

The correct option that expresses the given sentence in active voice is The cyclone destroyed all the electric poles in the suburbs last year.

The other options are incorrect because:

• All the electric poles in the suburbs were destroyed by the cyclone last year is in the passive voice.
• The cyclone was being destroyed with all the electric poles in the suburbs last year is grammatically incorrect. The verb "to be" is followed by a present participle, but the verb "to destroy" is not a present participle.
• The cyclone was destroyed by the all the electric poles in the suburbs last year is grammatically incorrect. The preposition "by" should be followed by a noun or a pronoun, but the phrase "all the electric poles" is a noun phrase.
• The cyclone destroyed all the suburbs by the electric poles last year is grammatically incorrect. The preposition "by" should be followed by a noun or a pronoun, but the phrase "all the suburbs" is a noun phrase.