Помогите 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?

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it may be
it might be
it is

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great!
boring!
useful!
interesting!
fun!
important!
exsiting!
difficult!