Paul fell down and broke his wrist,____________ was a pity.
. If a computer crashes, you will lose the file you _________unless you save it regularly.
. The driver _________, according to the newspaper, to have been killed in the traffic accident.
. The custom of giving gifts at Christmas can be traced back to the Wise Men _________gifts to the baby Jesus.
. _________at the very beginning, the financial crisis was getting worse and worse in America.
. The higher the oil price is, ___________to the global economy.