What do you think about these activities? to pick up litter? to help elderly and lonely people? to do tricks? to help the children? to water flowers? to rake leaves? to wash off graffiti? to collect secondhand books? to do the shopping

I think it might be boring to help elderly and lonely people, but it is really important and useful.
I think it is exciting to do tricks, but it might be difficult.
It is really great and very important to help children and it may be fun.
I think it is boring to water flowers, but it is useful.
I think raking leaves may be fan when you do it with your friends and it is useful.
I think it is not useful to wash off graffiti and it may be really boring.
I think it may be interesting to collect secondhand books, but it may be boring for young people.
It is great to do shopping, but it is really boring for boys and for adults.