Answer:
a. effective use of time,
students are actievly involved during the lesson, can ask questions on the current or previous subject taught.
b. students can inquire on exercises by e-mail.
c. exercises corrected by the trainer schould be reviewd by the students.
d. students schould take the test at the end of each month or at the end of each module.
e. be more demanding for better results from both yourself and your trainer.