The price of the pen is not _____ but books are always very _________.
—What a nice meal! It's really kind of you to invite us.— I'm glad you liked it.
Recently a new expression has become popular. _________ often describes those rich people of little education and bad taste.
Can earthquakes be predicted? The underlined part means "________".
— I wonder if I can learn English well.— _______. All things are difficult before they are easy.
— I missed the beginning of The Voice of China yesterday evening.—_________! But you can watch the re-play tonight.