Accustomed to ______ the steep mountain, he had no difficulty reaching the top.
“Goodbye, then,” she said, without even ___________ from her book.
Some pre-school children go to a day care center, __________ they learn simple games and songs.
Between the two generations, it is often not their age, _________ their education that causes misunderstanding.
—Can’t you read the sign, sir? No parking here! —_____.
_____ U2, the Irish rock band from Dublin perform a concert in Beijing, tell me in advance.