As a result of __ is now known in physics and chemistry, scientists have been able to make important discoveries in biology and medicine.
She was __ after the long walk.
They looked __ at the new, and some girls began to weep.
Mr. Smith was very ill.The doctors said he was ___ of death.
There ia no light in the room. They ___ asleep.
I didn’t do very well in the exam, and so I’m afraid of ___.