The despondency in the study may be caused by a lack of understanding in the study did not dare ask the teacher. These reasons will affect many others, do not understand the practice test does not.
Frustrated in their studies may be due to not understand in class. Teachers were afraid to ask These causes can be affected by many as not understanding the exercises. Do not test
Be frustrated in learning may be due to the understanding in learning. I couldn't ask teacher, causes these will affect many more such as don't understand exercises. Do the test not .