Mr. Li, who _____ his whole life to education, is retiring next month.
____ nearly all behavior is learned behavior is a basic assumption of social scientists.
I know the man by ____ but I have never spoken to him.
My command of English is not ____ yours.
The generous donation from China to the sufferers in the killing Indian Ocean Quake-tsunami has ____ the Chinese people’s unselfishness and internationalism.
Parents are advised to take pressure ____ a child and give him some encouragement before an exam.