1.   The opposition parties combined to drive the Prime Minister out of office.

2.   Abundant supplies of wheat in storage bins and slack demand have combined to drive down prices.

3.   He said the rain and cold and months of the power company digging up my street all probably combined to drive the mice into my house.

4.   Mike Piazza, Raul Mondesi and Tim Wallach combined to drive in two runs in the series.

5.   Technical selling and a large supply of new corporate and global issues combined to drive Treasury prices lower in volatile trading Thursday.

6.   These considerations combine to drive the Chinese toward upgrading and expanding their armed forces, experts say.

7.   Weak growth, low inflation and a pre-Christmas interest rate cut have combined to drive gilt yields lower this year.

8.   Conflict and drought have combined to drive hundreds of thousands of Afghans from their homes in recent years, sneaking across sealed borders to Iran and Pakistan.

9.   Right since Independence, the trauma of partition, perceived external threats and diverse separatist movements all combined to drive people to favour a stable and strong centre.