31.   Sun creams work by blocking harmful ultraviolet radiation.

32.   Many people travel to work by car.

33.   These days, cartoonists send in their work by fax.

34.   Denise hopes to be back at work by the time her daughter is one.

35.   Fast work by the police in Birmingham had started producing circumstantial evidence.

36.   The best-case scenario would be for us to finish the work by tomorrow.

37.   The contract requires him to finish work by the end of the year.

38.   The company requited the employee who had fallen on the ice while leaving work by promptly paying all his medical bills, hoping that would stave off a lawsuit.

39.   Much of the interest in the recent past in job enrichment programmes has sprung from this and other work by Herzberg.

40.   I try to raise money for a worthy cause each year and plan to support the charity in its work by collecting used stamps.