These two textbooks are well-known, but the whole set of textbooks will cost several hundred yuan. If you learn well, it is worthwhile to spend money on them! The progress of self-study has never been so fast. I suggest you consider signing up for a class.

Share the free one-on-one English tutor audition class in Europe and America: free. None of the excellent one-on-one courses for foreign teachers is in 20 yuan. You can find a one-on-one training class for foreign teachers, and the learning effect of Band 4 is very good.

In the CET-4 training, Akaso Foreign Education Network is very good. There are not only professional foreign teachers to provide a pure English environment, but also tutors to exchange students' review and improvement regularly after class. The key is that the price is not expensive. You can learn English one-on-one with foreign teachers when you are not in 20 yuan! Now an audition class worth 388 yuan has been launched in our home. If you are interested, you can click on the blue word above to audition.

If you don't know how to choose an English institution, you can consult "acaso vivi teacher" in Baidu.

If you want to download free English resources, you can search "acaso official website Forum" in Baidu.