To her ________，the salesgirl still helps that old lady.

He’s unlucky, and he’s always suffering _____ luck one after another.

My knowledge of Hong Kong came only from some movies: a______ of criminals are pursued by the police in the narrow streets and then they have a fight.

Hiking by oneself can be fun and good for health. It may also be good for      building.

On your way to New York William will keep you ______if you don't want to be lonely.