1.   They enjoyed researching everything from homeless shelters to environmental advocacy groups.

2.   They lived in a homeless shelter until a room opened up at the Reiss Hotel.

3.   They lived in hotels and homeless shelters.

4.   They never had enough money, so they lived in various hotels, apartments and homeless shelters.

5.   I signed on as a volunteer at the homeless shelter.

6.   A beneficent couple who are regular volunteers at a homeless shelter.

7.   She has made a practice of volunteering at a homeless shelter one weekend a month.

8.   The police encouraged the tramps who were sleeping in the park to spend the bitterly cold night in the homeless shelter.

9.   In response to a desperate plea, we handed over all our extra blankets and pillows to the homeless shelter.

10.   All of the workers at the homeless shelter are unpaid and are there of their own free will.