Here is the summary with the sentences placed in the correct locations:
Summary: Cora and Ruky are orphan siblings who take care of each other. Cora is the older sibling and has been like a mother to little Ruky. (Sometimes, Ruky wears on Cora's limited patience). One day, Ruky frustrates Cora, and she makes a wish that instead of being crow-like, Ruky were really a crow. The wish appears to come true. (Ruky turns into a crow and flies away to live with the other birds). Finally, Cora wakes up and discovers that Ruky is fine and human. (Cora learns to avoid letting her emotions cause her to say things she doesn't mean).