21.   The building work has hardly begun.

22.   Their air force had been neutered before the work began.

23.   The town has appropriated funds to repair the bridge and work should begin this summer.

24.   On the same day, work began on reconstructing and rebuilding telecommunications buildings and the following day a campaign was launched to repair damaged roads and bridges.

25.   Work then began inside the main school to refurbish classrooms, staff rooms and toilets.

26.   In the week before work began I prepared three documents.

27.   So, too, was the age at which work began.

28.   Against some odds, President Yeltsin has won the part of the Russian referendum that he says matters most, but the really hard work is only just beginning.

29.   Early Christian work began to influence the architectural style in the new Christian Roman Empire.

30.   Alternatively work could begin by looking at how time can be measured.