CTET 2 Social and Science 20 Dec 2021 Paper

A teacher organizes her class into the pair and gives a story of 18 sentences. One of the pairs has odd sentences (sentence 1, 3, 5,....) printed and other sentences blank while the other has even sentences (sentences 2, 4, 6,.....) and odd sentences blanks. Students in pairs have to read out the sentences mutually to each other and write to complete the story. This involves listening, speaking, reading and writing. What is this task known as?