cause|caused|causes|causing

警方仍在试图确定火灾的起因。

The police are still trying to establish the ___cause of the fire.

她死于自然原因。

She had died of natural ___causes.

过度工作可能是许多问题的原因。

Overworking can be a ___cause of many problems.

开车时使用手机会导致严重事故。

Using a mobile phone while driving can ___cause serious accidents.

专家表示，过多的社交媒体可能会导致青少年焦虑。

The expert said that too much social media might ___cause anxiety in teenagers.

准备不足导致他考试表现不佳。

His lack of preparation ___caused him to perform poorly in the exam.

这笔钱将全部用于一项崇高的事业。

The money will all go to a good ___cause.

他在战争中为共和党的事业而战。

He fought for the Republican ___cause in the war.

为崇高的事业工作总是值得的。

Working for good ___causes is always worthwhile.

大雨正在低洼地区造成严重洪水。

The heavy rain is ___causing severe flooding in low-lying areas.