This document provides a summary of an English teaching activity for students in class 7D. The activity involves students listening to the song "What a Wonderful World" and filling in the missing lyrics. Students should understand the meaning of the song and use context clues to determine the right words. The full lyrics are provided with 10 words missing. An audio file of the song and pictures of famous singers may also be included. Students will work cooperatively to complete the activity by discussing their answers.