Đáp án : She is a very exemplary teacher, she takes care of us while we are at school. Because of the covid 19 epidemic, we couldn't go to school. She told me and my friends to study online to have complete lessons and knowledge for the new school year. She teaches in great detail and doesn't lack anything. When she woke up the whole class, I listened to her in silence on the phone, only when she called to do homework, we answered.