It was two days before my mother flew to New York ______I arrived home.
—_______.—That’s not all necessary. I’m al for it.
It is no use _____ such mistakes. You should learn a lesson from them.
Peasants earn their living by selling agriculture ____ in China.
It was a matter of _____ would take the position.
When the teacher praised him for working out the math problem, Jack looked __________ about at his classmates.