It was a pity that the great writer died _______ his works unfinished.
35.It is said that dogs will keep you _____ as long as you want when you are feeling lonely.
.The artist made up his mind to devote all he could ____his English before going abraod.
Although this medicine can cure you ____ your illness, it has a bad effect _____you.
The square was so named ____a famous black leader in history.
_____in the queue for half an hour, the old man suddenly realized he had left the purse in the office.