In the first class we started English and the class was led by a very disgusting woman. And my parents gave me a private group at 4 years old, so at 7 years old I could already communicate in the language, not what to read in letters. And then in my second lesson I got the only pair in my life in English for... having named the second letter of the alphabet before the teacher. Apparently, the woman did not appreciate the initiative and craving for knowledge in children.
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In 6-8 grade I received only two grades - 5 and 2. She got pairs when she used designs that we had not yet passed or that the teacher did not know.