I'm afraid the headmaster is _________ busy to meet the visitors.
It was reported that a 63-year-old man from Hunan Province had won _____ LCD television for being _______ 100,000th visitor to the Taiwan Pavilion.
It was several minutes before I was ______of what was happening.
Tom, who is always shy in public, has made some friends at school, ______ has pleased his parents.
Tony tells me he is likely to win the match, and ______ he wins, he will treat us to a meal.
The young nurse was very nervous when she _______in her first operation.