41.   Hitherto the work in schools, as in other sectors, has concentrated on the retrieval of information.

42.   However, I do think that the purpose of explanation in social science has been elided in work in this field.

43.   I was supposed to be at work in my bookshop in Petersfield, Hampshire.

44.   If she wanted, she could do a little daytime television work in one of the London studios.

45.   Illegal immigrants have to seek work in the black economy.

46.   In any case, work in Hamburg is proceeding apace.

47.   In fact, it is modern technology at work in the world of overnight parcel deliveries.

48.   In mid-Cornwall, for example, over a third of the male population has been out of work in recent years.