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How many levels of English are there?

English level 1 ***8.

College English: mainly CET-4 and CET-6. Professional English level: mainly Band 4 and Band 8.

College practical English test is aimed at junior college students, and it is divided into Grade A and Grade B (also known as College English Grade II and III). Adult higher education undergraduate English test (degree English) is aimed at adult undergraduates (also known as adult English level 3).