Câu hỏi:

We ought to take care _____ poor people.

We usually collect _______ and food to provide to the homeless.

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

Let’s collect and ______ warm clothes to homeless children in our city.

All the members have to collect glass, waste paper and empty cans and send them for _____.

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

It is difficult ______ handicapped children to study with other children.