Walked. We is the subject and to the Park is where the subject went. Walked is what they did.
She was the first female aviater to fly ALL ALONE across the atlantic ocean... in that ruggedy thing. Thats a courageous thing to do, and especially alone
In "the fun they had . " tommy finds a book. The book's pages are yellow and crinkly because it was an old book which excited nearly a 100 years ago when the books were printed in spite of being saved and shown in the television screen that tommy and Margie had.
The answer is the third one.