The teacher walked into the classroom. He said, “ evening, everybody.” The students said, “Good evening, teacher.” walked over to his desk. He put his on his desk. He opened his briefcase. He his notebook out of his briefcase. He took books out of his briefcase. Suddenly, he felt . The room was spinning. He sat down. What wrong with him? He put his hands on desk. The desk was spinning. He closed his . He opened his eyes. He didn’t know what do. What was wrong? He was sitting in chair. But he felt like he was floating air. How could he be floating in air? sat in his chair for another minute. His were talking to one another. They did not how he felt. But he didn’t tell them he felt. He didn’t say anything.