As time went on, people came to be ______ of the seriousness of China's population.
October 1, 2010 is the 61st of the People’s Republic of China.
—Some wine?—Thank you. ______. I have to drive home.
—What do you mean by saying that?—I think you _______ what I said. I meant no harm.
Our school covers an area of 400 mu, which is _______ as yours.
Do you know that _______ with wise men improves your mind?