You will find what great benefit the computer you own can be _____ each time you use it to help you work.
He knows several languages, ______, he knows English and Japanese.
He ______hope he will win the game.
Many questions ________ at the news conference, but he answered none.
The child asked his mother ________ go out to play tennis.
It is the first time that I _______ this kind of moon cake.