some workers are paid( )an hourly basis and do not received benefits that are required for budgete
1.Student workers are paid( )an hourly basis and do not received benefits that are required for budgeted employees
A on B for C off D from
2.She didn't pass the examination because she didn't spend( )time preparting for it
A little B adequate C a lot D some
3.( )it is hopeless,we will try another one.
A since that B now that Csince now D by now