1.   And they believe that what makes the current situation precarious is the continuing uncertainty over the outlook for sterling.

2.   There is some uncertainty over where the refugees are going to be housed.

3.   Uncertainty over objectives has bedevilled public libraries for many years.

4.   However, it also reflected uncertainty over the costs of reprocessing spent fuel and decommissioning nuclear plants.

5.   The problems were compounded by a shortage of coal and natural gas and uncertainty over supplies of oil from the former Soviet Union.

6.   The delay had been caused by uncertainty over the status of Vneshekonombank, the former Soviet foreign affairs bank, which had been taken over by Russia in December.

7.   The campaign had revealed renewed French fears of the power of a Germany, while uncertainty over its eventual result aggravated the monetary crisis within the EMS.

8.   The shock and mystery of two tragic and violent deaths jostled for attention with a sense of uncertainty over her future relationship with Barney.

9.   Further work began to suggest that palaeomagnetic data supported the model of continental drift proposed by Wegener although there were initial uncertainties over the accuracy of the technique.

10.   The exchange, headed by Peter Rawlins, said uncertainty over the general election and worries about the economy kept investors on the sidelines last year.