Complete the text below with the given phrases in the box.
can’t be can’t have could take may get may not have might be
must be must be

As a result of the flooding, as many as 10,000 families 1--------- homeless, although the figure is
only an estimate. ‘The emergency services are working hard, but I’m sure they 2------------- more
than 20 helicopters. It 3 -----------days to reach everyone and take them to safety,’ said an aid
worker in the area. ‘Conditions for those families still waiting to be rescued 4 --------- very
difficult. There 5 ------------- any clean water to drink and everyone 6 -------------- very cold.’
Worryingly, more rain is forecast, so the floods 7 ------------- worse in the next few days. The
emergency services 8 time to reach everyone before the waters rise again