---Mum, it is nice weather. I want to skate this afternoon. ---Don’t you think the ice on the lake is too thin to your weight?
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.