One learns a knowledge by making mistakes and ______ them.
It may not be a great suggestion. But before _______ is put forward, we’ll make do with it.
(2013·新课标Ⅱ卷)Four and half hours of discussion took us up to midnight,and break for cheese,chocolate and tea with sugar.
India attained ________ independence in 1947, after _______ long struggle.
Johnson had made up his mind to give it up, but on ________ second thought he determined to try ________ third time.
—Do you think an advertisement is ________ help when you look for a college?—Well, it all depends. Anyway, it gives me more of ________ chance.