下课铃响了,学生们纷纷走出教室When the bell rang, the students are out of the classroom上课铃响了,我得走了The bell rang, and I have to go你们每节课有多少分钟You how many minutes per lesson他们每节课是 45 分钟They is 45 minutes per class你们一天几节课You a few class a day我们一天有6 节课We have six classes a day
