Teacher, thank you so much for this lesson. There is not a single word in this lesson that I do not understand but it helps me to recollect what I learned earlier. Furthermore, it gives me enough time to go back to your previous lesson to memorise the new vocabulary in that lesson.This way of introducing a simple lesson for beginners and then a lesson introducing some words from HSK5 and 6 level will be well received by most of us who are learning to speak Mandarin.