补全对话

A: Hey, Helen. Did you have a wonderful travel?

B: Oh. Don't mention it. I have never had such a terrible travel.

A: Why? ____?

B: At the night before we started, I stayed up late with my friends. ____. By the time we got to the station. The train had gone.

A: And then?

B: Then we had to wait for the next train. And when we arrived in the city, ____ with the other travelers.

A: The guide had gone? My dear! ____?

B: So we had to take a taxi and meet them by ourselves.

A: Then you could have a good travel.

B: Oh, no. ____, they had decided to be back.