Some can never go above 4000 meters, because their body is unable to ___________ these extreme conditions.
Mrs. Smith was amazed at how much French the children had ______ in the short time when she had taught them.
He’s really ______ about his food – apples have to be of a certain variety; fish has to be of a certain species and cooked only in one way.
They were much ______ by the magician’s trick and were falling about.
They spoke in ______ for fear that they should be heard.
It was ______ creative thinking that I took the course, not to get high marks in examinations.