English
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A1 level is the beginner level in language profici...
The A2 level is the second level of the CEFR. At t...
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The B1 level is an intermediate level on the CEFR...
The B2 level, often referred to as "Upper-Intermed...
The C1 level, often referred to as "Advanced" or "...
The C2 level, often referred to as "Mastery" or "P...
