Three years ago, a society was set up to ______ the endangered animal and plant from dying out in this area.
This is the _____ piano on which the composer created some of his greatest works.
He was deep in thought with his eyes_____ on the ceiling.
The car was completely _____ and the driver seriously injured.
Although the causes of cancer_____, we do not yet have any practical way to prevent it.
______run fast should take part in the 400-meter race tomorrow.