Forward 7 класс rewrite the following sentences, using the possessive case of the undelined nouns. 1 tracy has read the replies of the readers. 2 the story of martha , the last passenger pigeon, teaches us a lesson. 3 a century ago the natural habitat of passenger pigeons was large forests in north america. 4 have you read the survey about zoos by rachel and trevor in the rap? 5 the photos of animals taken by children were fantastic.