Câu hỏi:

We ought to take care _____ poor people.

You should think of ______ the volunteer activities in your community.

Traditional volunteer activities include ______ money for people in need, cooking and giving food.

The ______ are people who don’t have their own houses to live in.

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

We raise money to build a high-rise hospital for people in a _____ area.

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