classes: lecturer. Theoretical teacher hasn't been to class yet, the practice class has taught 2 lessons ahead of time that I can't keep up. curriculum. Theoretical teacher hasn't been to class yet, the practice class has taught 2 lessons ahead of time that I can't keep up. facility. Theoretical teacher hasn't been to class yet, the practice class has taught 2 lessons ahead of time that I can't keep up. general. Theoretical teacher hasn't been to class yet, the practice class has taught 2 lessons ahead of time that I can't keep up.