Keller learned from Sullivan to read and write in Braille and to use the hand signals of the deaf-mute, which she could understand only by touch. Her later efforts to learn to speak were less successful, and in her public appearances she required the assistance of an interpreter to make herself understood.
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Answer:
Keller learned from Sullivan to read and write in Braille and to use the hand signals of the deaf-mute, which she could understand only by touch. Her later efforts to learn to speak were less successful, and in her public appearances she required the assistance of an interpreter to make herself understood.