tried phoning her office, but I couldn’t _______. 

The number of tickets _____ will be determined by the size of the stadium.

Five passengers were_______ in the traffic accident and they have all been taken to the nearest hospital.

I’m very pleased with the results of my blood test, for all tested items show _____ reactions.

Don’t try to _____ your boss; he won’t plan to employ me—a fresh student.