Fill in the gaps with the correct forms of the words in brackets.
(Điền vào chỗ trống bằng các dạng đúng của các từ trong ngoặc.)
1. There are (end)_______ opportunities for teenagers to volunteer these days.
2. We were very (excite) _______to help children organise afterschool activities.
3. The local people were really (help)_________. They supported us all the time we stayed there.
4. We need more (volunteer) _________for our community projects.
5. Our charity groups received generous (donate) ___________from the local people.