.Nancy enjoyed herself so much ___ she visited her friends in Sydney last year.

Have you got the airplane tickets? -No, because it’s May Day ,all the tickets to Beijing______out.

Don’t play _____ that big dog. It’s dangerous.[ ]

I have _____ American friend. He is _______active boy.

Excuse me, Miss Li. Where will you take _____ trip? — I’ll travel to a famous island of _____ Pacific Ocean.