从方框中选择恰当的句子补全对话，将序号填在横线上。

A. By plane. B. Yes，it's Ottawa. C. How old is your father? D. No. He travels(旅行)to Canada. E. What does your father do?

A:Look at this picture. This is my father in Canada.

B:

A:He is 34 years old.

B:

A:He is a doctor.

B:Does he work in Canada?

A:

B:How does he go to Canada?

A:

B:Do you know the capital city of Canada?

A: