—I love the Internet. I've come to know many friends on the Net.—________.Few of them would become your real friends.
____ 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.