Junior high school is a key time, so we should pay attention to studying in advance, that is, previewing, and it is best to teach ourselves first. Let me tell you some good material.

Chinese: open reading class, new reading dark horse. Attachment: At this stage, you'd better read famous works again, such as Jane Eyre, Letters from Fu Lei, Travel Notes of Grave, etc. It is recommended to buy a middle school book with complete understanding of classical Chinese and recite it by yourself.

Mathematics: Basic Exercise (Compulsory) Manual for Emphasis and Difficulties, Mid-point of Canon, Promotion of New Thinking (Selected) (Full Name: Cultivation of Excellent Competition New Thinking), Competition Synchronous Counseling (Written by Liu)

English: First, buy your own senior one English book, remember the words, and then you can do a three-year mock five-year senior high school entrance examination.

I hope this answer is helpful to you.