(2014·北京四中期中)The children________very well last night and the audience were attracted by their play.

Bob looked back only to find an old classmate whose name ________ him for the moment.

 Only ticket­holders were ________ to the stadium for the concert given by Jay Chou, so many of his fans were turned away.

 In some developed countries, larger population is ______________ in their big cities.

The snowstorm ________ our difficulties.