Mr. Wang made up his mind to devote all he could _____ his oral English before going abroad.
The toughest thing about success is _______ you have to keep on being a success.
Cooking calls for _______ patience and time but it is _______ enjoyable experience.
Taiwan—born film-- maker Ang Lee won the Oscar for best Director at the 78th Academy Awards, _______ the highest honour in American movie fields.
His report was so exciting that it was interrupted by applause(掌声).
Come and see me whenever ___________.A you are convenient B you will be convenient C it is convenient to you D it will be convenient to you