—These days,he has stayed up late into night in order to get good marks in the following monthly test.—It's no ________ that he seems tired and asleep in class every day.
. In aerospace devices the weight of the necessary power producing equipment is _____.
There was a good _____ of the countryside from the front of the bus.
Circus tigers, although they have been tamed, can _____ attack their trainer.
The _____ of his clothes indicated too clearly that he had been playing football.
He put in a special _____ for an extra day's holiday so that he could attend his daughter's wedding.