树木在阳光下茁壮成长。

The trees are ___growing in the sunshine.

这个城市的交通问题正在变得越来越严重。

The traffic problem in this city is ___growing worse.

孩子们在户外活动中成长得很快。

Children are ___growing fast through outdoor activities.

孩子们正在逐渐对学习新事物感兴趣。

The children are ___growing interested in learning new things.