—Hi, Tracy, you look tired.—I'm tired. I __________ the living room all day.
The lawyer was expected to _____ some proposals after reading all those documents.
_____ his knowledge of the mountainous country, John Smith was appointed as our guide.
Political parties often differ in their views on various _____ concerning their own countries.
. Jack is good, kind, hard-working and intelligent. _____, I can't speak too highly of him.
We can't _____ one to change the habits of a lifetime in a short time.