Preposition

We use 'in' to describe a place. This sentence means what the sign's mean. We must not smoke in the shopping centre.

Carl Sagan's biography

9th November, 1934 - Carl Edward Sagan was born.

1957 - He married Lynn Margulis.

1974 - He got John W. Campbell Memorial Award.

1994 - He got Public Welfare Medal.

20th December, 1996 - Carl Edward Sagan died.

1997 - He got the literary prize of the SF novel in the English zone.

A poem.

Stay with me usually.(4)
You will not be lonely.(4)