I bought Chinese & gt and> (thick red skin), and I feel the latter is very useful ~

Buy a math topic ~ you can ask the teacher this kind of question. ..

English .. Just buy a cloze book .. You can read more English magazines or newspapers at ordinary times, which is quite practical. That's what I did before the midterm today. ...

There seems to be no science shrimp in Beijing. ..

Generally speaking, you will ask the teacher questions ... At the last moment, the teacher has a lot of exercises to do. ..

Just listen carefully at ordinary times, and the final question is actually very simple! Good luck ~