First of all, you should remember the words in the book. The teacher should pay special attention to the articles in each unit, because this unit has the most important grammar. The key to learning English lies in your vocabulary, grammar and sense of language. Usually, you can accumulate more extracurricular phrases and do some topics. By the way, it's important to read more English texts!

You can go online to have a look at Lezhi. You can interact with the teacher by turning on the computer at home. All courses can be auditioned for free, which is more suitable for you.