If you let challenges and difficulties benefit ______ depress you, much more can be accomplished than you thought possible.

The form cannot be signed by anyone ________ yourself.(2011·全国Ⅰ)

During the flight to the Moon, Chang’e II Satellite gradually ________ her direction so that she can go into her programmed orbit.

There are nine books in the library.

Is he watching TV-No, he_ a newspaper.