— Is Bob still performing?— I’m afraid not. He is said ________ the stage as he has become an official.
The health organization is ___________ its tenth anniversary this year.
He was severely injured in the war and his __________ prevented him from holding any job.
_______ with a difficult situation, Arnold decided to ask his boss for advice.
Halfway up the mountain we stopped to ______________.
The doctor insisted that only in this ______ could the patient survive in the operation.