I think there are two types of mistakes. One is you must not do. That is you can solve it if you think hard carefully about it. This kind of mistake has nothing to gain. Two is you can't help. That is you cannot solve it right now. But, he…

Am I really level 5? I'm not really sure about it. I did enough preparation for class. But I couldn't speek fluently. So practice practice practice!!! Practice makes perfect. I believe it. ;)自分は本当にGABAのレベル5なのでしょうか？？あま…