On my first day of teaching, all my classes were going well.__1__a teacher was going to be something easy and sure, I decided. Then came Period 7, the last calss of the day. As I walked toward the room, I heared funiture crashing. Around the corner, I saw one boy pushing __2__to the floor. "Listen, you idiot!" shouted the one on the floor. "I don't give a damn about your sisiter." "You keep your hands__3__her, you hear me?" the boy on top threarened. I came up to them and asked them to stop __4__Suddenly 14 pairs of eyes fixed on my face. I knew I did not look convincing. Glaring at each and me, the two boys took their seats. 1. A. Be B. Been C. To be D. Having been 2. A. other B. another C.each other D. the other 3. A. off B. away C. against D. of 4. A. fight B. to fight C. fighting D. fought