Feeling bored now 我也写下中文表达，这样不仅能让你们更好的帮我修改，还能帮你们学习中文 。 我总是不得不来教室上那些我完全不感兴趣的课，比如高速公路机电系统新术及其用 在中国，大学课堂总是需要点名，你的国家是这样么？你们进大学选专业是根据分数线决定还是只要通过申请就可以选择自己喜欢的专业。) I always have to be in the classroom to learn those boring lessons, for example, New technology and application of highway electrical and mechanic system. We have to sign our name almost every class in China.How about your country? Are you choosing the major by grades.(i mean every major in every collage have a grade line,you can only choose if your grades are higher than that.) or by interest after being admitted?

Question about the word"brother" and "sister" How can we know the brother/sister is older or younger?