alive

这座城市在夜晚变得热闹起来。

The city comes ___alive at night.

他如果还活着，一定九十岁了。

He must be ninety if he's still ___alive.

那是一次严重的跌落——她能活着真是幸运。

It was a bad fall - she's lucky to be ___alive.

公园里充满了笑声，生机勃勃。

The park was ___alive with the sound of laughter.