餐厅决定涨价以应对食材成本的上涨。

The restaurant decided to ___raise their prices due to rising ingredient costs.

他每天练习钢琴以提高演奏技巧。

He practices piano daily to ___improve his performance skills.

过去几个月我们网站的访问量有了明显的上升。

There has been a significant ___increase in our website traffic over the past few months.

我给她讲了个笑话想让她开心起来。

I told her a joke to ___cheer her.