вопросы к предложению " i haven't taken a bus to zhytomyr yet "

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1 have you taken a bus to... 2. Who has taken a bus... 3 where have I taken a bus to? 4. I haven't taken a bus to zhytomyr yet, have I? 5 haven't I taken a bus or a train to..?

have you already taken a bus to zhytomyr?where have you taken the bus to?