Here’s the matching of sentences:

1. How can we help sick children? - **i. Yes. I’m a member of Be The Change.**
2. Do you have a difficult hobby, Brian? - **h. Really? That’s a very unusual hobby.**
3. My eyes are often tired. - **a. Do you usually read in dim light?**
4. What activity uses a lot of calories? - **b. I think it’s running or riding a bike.**
5. It’s such a beautiful day! Let’s go out. - **d. We can donate some toys and visit them.**
6. Do you like volunteer work? - **e. Yes, I enjoy mountain climbing.**
7. I like collecting glass bottles. - **j. Because they eat healthily.**
8. Why do the Japanese can live for a long time? - **j. Because they eat healthily.**
9. Traffic jams are a big problem for our community. - **f. What can we do to reduce traffic jams?**
10. When did you first learn dancing? - **g. Seven months ago.**

Please note that the question about the Japanese living a long time may have been matched wrongly, as it overlaps with two contextually similar sentences. Adjust accordingly if you see fits better.