October 1 of 2009 is a special day, _________, I guess, which will be remembered by the Chinese for a long time.
Grade Three students have a ______ to work harder than those in Grade Two.
Most of us know we should cut down on fat, but knowing such things isn’t much help when it ________ shopping and eating.
When you arrive home, give me a call to let me know you _____safely.
Mrs.White showed her students some pictures _____ in Paris.
All his friends’ encouragement _____ his confidence in winning the game.