11.   Many experts believe that age-related falls are caused in part by a reduced sense of balance and a loss of ability to judge body placement.

12.   The fall was caused by a government announcement during the weekend that a raise in electricity rates was doubtful in the immediate future.

13.   The row doubtless helped cause his fall.

14.   The truth is that South Vietnam was captured by the communists without causing the fall of other dominoes or an attack on San Francisco.

15.   This can cause a fall.

16.   Rashid accused some OPEC member states of causing the fall in prices by not sticking to their production quotas.

17.   Ali Abul Hassan Sulaiman, the central bank governor, would not specify whether the fall was caused by the announcement of the exit tax last Thursday.

18.   He accused some other OPEC member states of causing the fall in prices by failing to stick to production quotas.

19.   It did not say what caused the fall.

20.   Rasheed accused some OPEC member states of causing the fall in prices by not sticking to their production quotas.