——She shouldn't have done that sort of thing.—Whatever she did was reasonable, ______ to what you did. Besides, it's none of your business.Get down to ______ your lessons.
Once again he failed to hand in his homework _____ he had been given enough time to do it.
. _____ the book four times, I finally understood the author's theory.
Mike seldom asks ____ questions in class, but today he raised _____ fairly good one.
_____ the news, so far, has been good, there may be days ahead when it is bad.
. Although ________ after the Civil War, the American blacks still took no important role in the white Americans except as servants and laborers.