__ an old worker, so he knew exactly what to do.
The brave soldier was willing to risk ______ his life rather than ________ in to the enemy.
--- If John does not come to work on time, he may be fired.---Surely he is not so foolish _________ that.
. ---I am going to see the victim’s brother.--- I’d rather you ___________.
--- What do you think of the standard of the new curriculum(课程)? --- It is certain to have a great _______ upon the future of both teachers and students.
The design isn’t successful unless it ________ people of all ages and social groups.