The tax changes will concern large corporations rather than small businesses．

The rise in unemployment is of great concern to the government．

The main concern is that the health of the employees will be at risk．

The roof is held up by pillars．

The building work has been held up by bad weather．

Students were giving out leaflets to everyone on the street．

An oil lamp gives out slight light．

You had no right to give my telephone number out．

Your clutter takes up too much space．

Writing the paper took up most of the weekend．