Though Sundays are _________ as a day for rest, we must make good use of them.
Anything _____ could be found has been used to repair the damaged bridge.
Here is my classmate _____ bicycle was lost yesterday.
_____ seemed as if nobody knew anything about the matter.
At the sight of the _____ scene, he was almost _____ to death.
He is one of the most excellent students in our class, and he always _____ himself in his studies.