A: Where have you been?
    - 어디 갔었어요?

B: I've been to Europe for a month.
    - 한달 동안 유럽에 다녀 왔어요.

A: Really? How was it?
    - 정말요? 어땠어요?

B: I really had a great time.
    - 정말 멋진 시간이었어요.