A.Because they work harder than the young.
B.Because the pool of labour in the UK is drained.
C.Because they can fill in the job vacancy in a brief time.
D.Because their working hours can be as flexible as they want.
A.Britain's salvation is better than Germany's
B.Britain's credit ratings are higher than Italy's
C.Britain's ageing workforce is similar to Italy's
D.Britain's employment rates are higher than Germany's