41.   Smoke from the British Petroleum Lima refinery casts a cloud over its surrounding neighborhoods and the future of its workers.

42.   The controversy is casting a cloud over a state visit to Australia by Queen Elizabeth II due to start next week.

43.   The controversy seems sure to cast a cloud over a meeting next month between Prime Minister Tomiichi Murayama and President Clinton.

44.   The current climate of medical opinion in America has cast a cloud of disapproval on tallness based on substituting tofu for other dairy products.

45.   The developments cast a cloud over what would have been the most important day of testimony so far for Simpson.

46.   The controversy has cast new clouds over his entire campaign.

47.   The disputes have cast a cloud on what both sides have sought to depict as exemplary relations since the soldiers stationed here began arriving in the region last December.

48.   The investigations have cast a cloud over the entire industry.

49.   The move cast a cloud over the federation even as it was being celebrated in Washington.

50.   The positive tests threatened to cast another cloud over the championships, which began after a recent series of high-profile drug scandals.