Jack called his mother at 7:30 yesterday, but she didn’t pick up at that time.

_________are my parents. _________ work in an office

The sunlight came in ________the windows in the roof and lit up the whole room.

We are working to raise money for the local homeless shelters. _______ , we are collecting clothing to offer those in need.

hang once taught in a remote village in Anhui province as a volunteer, which was ______ only on foot.