Sure, here are the correct answers for each blank in the passage:

1. A. is interested
2. C. Hobbies
3. A. solve
4. B. how
5. D. Ø

So the completed passage reads:

Almost every kid in my neighborhood has some sort of hobby. Some collect baseball caps or coke bottles. Some go in for sports. One of my friends (1) **is interested** in photography, and another spends most of his free time building radios.

(2) **Hobbies** benefit us in many ways. By working on hobbies, we learn to set a goal, to make a decision, and (3) **solve** some kinds of problems. Hobbies are educational tools, too. For example, I am interested in gardening, so I have learned a lot about the names of different vegetables and plants and (4) **how** to take care of them. Last, when we do hobbies, we can discover (5) **Ø** ourselves. We know if we are patient, creative, or skillful. We know what we are really love to do.