—I’ve got a headache again!—Sorry to hear that. Walk to work every day and you’ll soon back in ______.

With the increase of the people’s income, there is a growing ______ for Chinese students to go abroad for further education.

— This second-hand table cost me only $10.— It was a real ______. Where did you buy it?

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

___ we are having today!