大家帮忙翻译下这篇英语文章

大家帮忙翻译下这篇英语文章The students are having an English lesson. First, they listen to an American song, and then the teacher writes a new word in the song on the blackboard. “This is the longest word in English,” he says. At this time, all the students begin to laugh. They don't think their teacher is right. A girl stands up and asks, “Why is this word the longest in English?” The teacher smiles and then says, “Don't you see there's a mile between the first letter and the last?” What lesson are the students having? What kind of song are the students singing? Is there a new word in the song? Who stands up and asks the teacher a question? What word does the teacher write on the blackboard?最后一个问题有四个选择A. Smiles B. Says C. Laughs D. Sings