I thought she was famous, but none of my friends have ______heard of her.      

After many years’ waiting, Chinese people______ realized their dream to hold the Olympic Games.

“Perhaps we need to send for Dr. Smith to see what we can do about it,” Father suggested ________ to his neighbor who had come to discuss the problem.

—I’ll talk to my son Bill about it as soon as possible． He usually listens．—We need _______ listening． We need action．

Although Linda tried hard in the exam, she did ______ than her brother.