We are very _______ that many students use the Internet every day.

Kate can dance very well, but she never shows off. She is very__________.

Is this your baseball?—No, it’s Bob’s. Baseball is _________ favorite.

Today the forests are getting fewer and fewer. We must down too many trees.

There is still a copy of the book in the library. Will you go and borrow ?—No, I’d rather buy in the bookstore.