Bill was doing a lot of physical exercise to build up his_______.

The meetings are very short, so there is little _____ to have a real discussion.

You should take the medicine after you read the __________.

Many firms give away small quantities of their productions as _______ so that people can try them before buying.

—Few pupils are as bright as he is, and he works very hard, too.—It is no          that he always gets the first place.