Ask various types of questions to the sentence: Anthracite is used primarily as a domestic fuel.

Is anthracite primarilly used as a domestic fuel?What is primarilly used as a domestic fuel?Anthracite is primarilly used as a domestic fuel, isn't it?Is anthracite or petrol primarilly used as a domestic fuel?Why is anthracite primarilly used as a donestic petrol?

Is anthracite primarilly used as a domestic fuel?What is primarilly used as a domestic fuel?Anthracite is primarilly used as a domestic fuel, isn't it?Is anthracite or petrol primarilly used as a domestic fuel?Why is anthracite primarilly used as a donestic petrol?