Составить предложения: 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? it may be it might be it is great! boring! useful! interesting! fun! important! exsiting! difficult!

Picking up litter
Helping elderly and lonely people is important!
Doing tricks might be great!
Helping the children is fun!
Watering flowers is useful!
Raking leaves may be boring!
Washing off graffiti might be difficult!
Collecting secondhand books may be interesting!  
Doing the shopping is exciting!