因为他正在遵循的饮食规定，他不吃任何乳制品。

He doesn't eat any dairy products ___on ___account ___of the diet he is following.

比赛因恶劣天气而被取消了。

The match was cancelled ___on ___account ___of the bad weather.

这家餐厅因其优越的位置总是客满。

The restaurant is always full ___on ___account ___of its excellent location.