Answer:
She is hopeful that Helen can be taught.
Step-by-step explanation:
We can see that Kate is invested in Helen's learning. She wants to know how she is progressing and when she's expected to make more progress. Now, she is expressing the wish to help her learn more - she wants to learn letters that Miss Annie is teaching her and teach her as well. She is hopeful that Helen can be taught and wants to increase her chances.