classes: lecturer. I think you should give more tests, maybe after or between each chapter, so that you can monitor the student's learning situation. curriculum. I think you should give more tests, maybe after or between each chapter, so that you can monitor the student's learning situation. facility. I think you should give more tests, maybe after or between each chapter, so that you can monitor the student's learning situation. general. I think you should give more tests, maybe after or between each chapter, so that you can monitor the student's learning situation.