Question

Why does the writer claim that Koko must have been a good student?

Answer 1

Answer:

Patterson began teaching sign language to Koko in 1972, when Koko was one year old. Koko must have been a good student, because two years later she moved onto the Stanford University campus with Dr. ... She says that Koko knows over 1,000 words, and that Koko makes up new words.

Explanation:

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