What does the sign over there read一No person ______ smoke or carry a lighted cigarette，cigar or pipe in this area．

Joe，I’m afraid I can’t hang out today.—________Usually you are free on weekends.

The young man is ______ Edison in ourfactory and he has made ______ number of important inventions over the years.

The club, 25 years ago, is holding a party for past and present members.

Taking exercises is _______to your health.