—Recent pressure at work may ______ his behavior.
When______ a new word, you’d better_______ a dictionary.
_______ more attention, the cabbages ________ grown better.
It was announced that only when the fire was under control ____ to return to their homes.
The next morning I’d just about given myself up for lost _______ I was spotted by a ship.
------ The authors of computer viruses are geniuses.------ I agree. They can apply their wisdom to other net technology ________ human beings can benefit.