17 What is true according to the passage? 

[A] Helen was born blind and deaf 

[B] A sickness caused her to be blind and deaf 

[C] Helen lost her sight and hearing at the age of 19 

18 When did her teachers come to Helen Keller 

[A] When Helen was 7 

[B] When Helen was 17 

[C] Immediately after Helen lost her sight and hearing 

19 What is about Helen's later life according to the passage?

[A] She could see and hear again 

[B] She became a writer and wrote a lot of books 

[C] She painted many drawings 

20 How did Helen reach others' understandings? 

[A] She taught herself 

[B] With the help of her family 

[C] With the help of her teacher