–Do you know where David is? I couldn’t find him anywhere. – Well. He _____ have gone far — his glasses are still here.
___ nearly all behavior is learned behavior is a basic assumption of social scientists.
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.
Women have ____ equal say in affairs at home.