Your ability has never been in doubt-- the question is ____ you are prepared to work hard.
It _____ to chat online all day long. You’d better do something else.
For a moment nothing happened. Then all shouting together.
The police ________ Tom of stealing and the accused was afraid to meet the accuser.
He found them _____ at a table ____ chess.
More and more high-rise buildings have been built in big cities space.