独自生活的人数每年都在增加。

The number of people living alone ___grows each year.

在里约，暴力增长得非常快，所以如果我们计划在城市度假，我们必须小心。

In Rio, violence is ___growing very fast, so if we're planning to spend the holiday in the city we'll have to take care.

经济今年预计增长3%。

The economy is expected to ___grow by 3% this year.