Bsp. 1: insofern du das Verb "to bike" benutzen willst, ist das korrekt

Bsp. 2: Korrekt, oder auch: Have you got a new car?

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Bsp 1: Where does he work? oder: Where is he working?

Bsp 2: Does she have a dog? oder: Has he got a dog?

Bsp 3: Where do you work? oder: Where are you working?

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