under arrest house or kept under arrest house

[Twilit1988]

My dear and respected teachers,
1: "How many tyres do your car have?" correct?
2: "Is he still under arrest house?" OR "Is he still kept under arrest house?" Which one is correct?

[Milanya]

"How many tyres does your car have?"

It is "house arrest" not "arrest house."
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con·text - The part of a text or statement that surrounds a particular word or passage and determines its meaning.

[Twilit1988]

Thanks! Milanya