A : How do you keep in shape?
     - 어떻게 그렇게 건강하세요?

B : I worked out regularly.
     - 꾸준히 운동을 했어요.

A : What kind of exercise did you do?
      - 어떤 운동을 하셨어요?

B : I enjoy swimming every morning.
     - 아침마다 수영을 해요.