21.   Shares of oil companies fell as expectations that winter heating oil supplies are adequate caused a drop in heating oil futures prices.

22.   Such action could cause a drop in bonds.

23.   That drop was caused by concern the government will restrict what Telefonica can charge new phone operators for access to its phone network.

24.   That drop was caused by the perception that Suharto was backing away from commitments to the IMF to institute austerity measures.

25.   That drop was caused in part by the temporary closure of its resort on Saint Martin, in the French Antilles.

26.   That pushes down wholesale prices, and probably will cause a drop in retail prices over the short term.

27.   That pushes down wholesale prices, and probably will cause a drop in retail prices.

28.   The change might have still caused a drop, she said, but it would have been offset by increased values.

29.   The drop was caused by the use of new drugs that can keep the deadly disease at bay.

30.   The drop was caused by lower than normal rainfall in tea growing areas in the first few months of this year.