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

Many people stood outside the manager’s office,nervously waiting _________ for the job.

The father as well as his three children ____ skating on the frozen river every Sunday afternoon in winter.

If he _________ here next week, I ____there.

No professionals may in the amateur tennis tournament.[ ]