$400 a lesson?? can't belive it. it is less than $200 or around $200 a couple of years ago. but I didn't know join at that time as the lady responsible for the assessment test was not that pro.
I research a couple of grammar courses from different centres. Most are on exercise driling, nothing really special. Now I just bought exercise (which address the local syllabus of traditional school) for drilling, so far so good. Of course, I need to review some grammar concept first as i really forgot for a long time.