Câu hỏi:

We should help street children because they have bad ______.

I and my friends sometimes _______ blood to cure patients in hospitals.

Volunteers always do general ____ such as talking with the elderly, repairing houses and providing food.

During summer vacation, we teach children in ______ areas how to read and write.

Replace the underlined word

Each nation has many people who voluntarily take care of others.

It is very kind _____ you to help them.

Doing charity means ______ money, cooking, providing food for the people in need.