First, print out a copy of the given text, then place it outside the classroom. Divide students into three or four groups. Each group must consist of a runner and a reporter and their assistants. the runner is someone who should run to read the text, try to memorize as much text as possible, and dictate it to his/her friends. The reporter is someone who jots down what the runner dictates. The role of the assistants is to help in writing the text.
The first group to finish writing the text is the winner. After that, Instruct the groups to switch their reproduced texts, then pass out copies of the original text, and ask them to check out each other's work and try to make necessary correction.
Try to draw their attention to the core grammar which Possessive adjective pronouns. They should infer from the text what they are.
Move to the first practice, then the second, the third, until you finish.