more active and passive voice

1.these bottles cannot be easily opened by the children
2.a road was built by the government right outside her front door
3.As Mr ross walked through the store, he broke the antique vase
4.the changes amazed her, when she arrove.
5.all month long, the construction workers will make street repairs.
6.his retirement will be celebrated with a party.
7.his oral exam was being disscused by his professors, right in front of him.
8.the homemade cookies were all eaten by my son
9.the hull of the ship had been damaged by corrison,
10.the old homestead was been visited by some children while I was there.