classes:  lecturer. Students ask the basics of the lesson, I also do not grasp, I ask other friends and do.  curriculum. Students ask the basics of the lesson, I also do not grasp, I ask other friends and do.  facility. Students ask the basics of the lesson, I also do not grasp, I ask other friends and do.  general. Students ask the basics of the lesson, I also do not grasp, I ask other friends and do.