So involved with computer games________that teachers at summer computer camps often have to force them to break for sports and music.

The Group of Eight (G8)________the eight richest countries in the world.

What’s wrong with your uncle— We’re sure _______ something is wrong with him, but we doubt _______ the disease can kill him.

ing to music at home is one thing, going to hear it live is quite another.

She is wearing blue today．Maybe shefeels________nervous and stressed．A．a 1ittleof