Answer and explanation

Correct answer: D. gefahren

  1. Step 1: The perfect tense of 'fahren' with 'ist' needs the participle 'gefahren'. Answer: gefahren. Why not the others: 'gefahrt' is not a form, 'fahren' is the infinitive and 'fuhr' is the simple past.

Practise more Grammatik: Fälle, Verben und Satzbau.

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