He was revising for his civics class when his dad (tell) (a)   him about the volunteer job.

They saw many unhappy children while they (help) (a)   people in remote areas.

He was sorting the donations when he (realise) (a)   how generous people were.

While they (clean) (a)   the streets, it started to rain

I was watching TV when I (see) (a)   the floods and landslides in the area

They (decide) (a)   to help build a community centre for young people while they were visiting some poor villages

I first (meet) (a)   her while we were working as volunteers.

While we (walk) (a)   home, we saw a girl crying near a bus stop.

Kim (notice) (a)   the poverty of the area while she was delivering free meals to old people.

When I arrived at the community centre, a guest speaker (give) (a)   a speech.

There are (end) (a)   opportunities for teenagers to volunteer these days.

They were very (excite) (a)   to help children organise afterschool activities.

The local people were really (help) (a)   . They supported us all the time we stayed there.

We need more (volunteer) (a)   for our community projects.

Our charity groups received generous (donate) (a)   from the local people.

Many useful inventions in the world are the results of hard work and (care) (a)   experiments.

Things such as old clothes or toys seem (use) (a)   , but you can donate them to charity. Some poor people may be interested in them.