—Mike, you failed the exam?—That's right. I didn't pass. ________, anyway?
The Internet connection for the entire area _________ when there was a sudden power cut yesterday.
American Indians _________ about five percent of the U.S. Population.
He once remarked that "All happy families ________ one another, but each unhappy family is unhappy in its own way".
China has a good ________ for fighting against the flu with its careful and smooth organization.
Not knowing his address , she had some difficulty ________ his house.