Secretary of State for Work and Pensions Iain Duncan Smith has said that the recent employment figures are positive with unemployment figures dropping and those "never expected to work, sickness benefits, lone parents - they're now going back to work."
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A top temperature of 9 or 10 Celsius (48-50 F).
The poll comes ahead of a debate in the House of Commons on Friday on a new Bill which would introduce such a system in England.
Jobs with decent pay and flexibility are "few and far between" for single parents who are the main earner and carer, said the report.