Part－time workers usually get _____ by the hour. A. pay B. paying C. paid

If employees work on public holidays, usually they will get ______.A．extra days offB．extra

American students usually get their high school diploma at the age of______.A．12B．17C．20D．

Workers in big firms receive a substantial part of their pay in the form. of _____ and ove

Women workers wear hats ____________their hair gets caught in the machinery.A.ifB.in cas

Women workers wear hats ______ their hair gets caught in the machine.A.ifB.in caseC.unless

Some customers complain that it usually _____ so long to get refund for the inferior