Question

What must the lady of shalott do to avoid the curse

Answer 1

The curse on the Lady of Shalott is that she has to stay in her tower weaving, and she is not allowed to ever look out of the window. She has a magic mirror in which she can see shadows of the world go by, but if she were to look outside she would fall into the trap of the curse. 

Answer 2

In order to the curse hasn't come to her she is forbidden to leave the tower and even look out the window. In Return in her room hangs a huge mirror, which reflects the surrounding world, and the girl is engaged in the fact that weaves a tapestry, depicting it the wonders of the world, which she was able to see.