People built a bridge over the river those who died in the floods while saving others.
.She ________the film. She knows nothing about it.
.If you _______wait a moment, I’ll go and find our manager.
.---Could I use your telephone? --- Yes, of course you ________.
.A modern city has been set up in _______ was a wasteland ten years ago .
.Sarah hopes to become a friend of ______ shares her interests.