It was in the small house _______ was built with stone by his father _______ he spent his childhood.

My father is leaving ___ Shanghai tomorrow

This meeting room is a non-smoking area. I would like to warn you ______ that if you smoked here you would be fined.

She is very dear to us. We have been prepared to do _________ it takes to save her life.

______ is known to all, the earth travels round the sun once every year