Прошу помощи. Раскройте скобки, поставив глагол в подходящую видовременную форму Active

Прошу подмоги.
Раскройте скобки, поставив глагол в соответствующую видовременную форму Active Voice и Passive Voice
.1.At the last lesson the war stories (listen) by pupils with great interest. 2.Usually tourists (disturb) birds and animals in the forest by their music. 3.Last year Disney Land (visit) by 40 million peoples. 4.Every year many flowers (plant) in the squares. 5.At Ecology the teacher (tell) his pupils how to keep nature. 6.Three days ago two wolves (kill) near the village.