When the last prize had been awarded _____everybody cleared off

Do you have any idea why the bus – drivers are on strike? — As far as I know, they are ____a pay rise.

The watch ________ I paid 50 dollars was stolen by the thief.

________ the weather, the sports meet will be held on time[ ]

Where did you meet your middle school teacher?— It was in the supermarket ______ I was doing some shopping with my son