Choose the suitable prepositions to complete the sentences.

Choose the correct option.

Arrive [in|on|at|off|for|without] delay, please! We're waiting only for you.

Passengers mustn't use the Internet, smoke, and drink alcohol [in|on|at|off|for|without] board.

I've been living [in|on|at|off|for|without] the seaside all my life.

It's okay; you aren't [in|on|at|off|for|without] danger anymore.

Please come to us [in|on|at|off|for|without] advance; you'll need to dress up and decorate the room for the party.

I'd love to travel [in|on|at|off|for|without] season; crowds of people drive me mad.