my son also not clearly at all, sometimes, he need to check with classmates, It's so hard to make study,
spent 4 hours to study I.S. chapter 1~2 in holiday then spent another 3 hours to study balance chapter 3 on yesterday night, so crazy and so tried
my son also not clearly at all, sometimes, he need to check with classmates, It's so hard to make study,
spent 4 hours to study I.S. chapter 1~2 in holiday then spent another 3 hours to st ...